In this photo provided by the UN Foundation, American Idol winner David Cook walks seven-year-old Mekdes during a visit to Biruh Tesfa, a United Nations program supported by the UN Foundation, in Addis Ababa, Ethiopia, Tuesday, March 30, 2010. Cook traveled with the UN Foundation to raise awareness about the importance of girls education for a special episode of Idol Gives Back, be be aired on April 21. (AP Photo/Stuart Ramson/UN Foundation) ** NO SALES EDITORIAL USE ONLY **
Hollywood movie star John Travolta of the United States poses for a photo with fans after arriving at the Albert Park circuit for the Australian Formula One Grand Prix in Melbourne,Saturday, March 27, 2010. (AP Photo/Mark Baker)
Sir Paul McCartney greets the crowd as he arrives onstage to perform during a stop on his Up and Coming Tour at the Hollywood Bowl in Los Angeles, Tuesday, March 30, 2010. (AP Photo/Chris Pizzello)
Olympic gold medalist, Shaun White, drew huge crowds at the Marvell booth at the CTIA show in Las Vegas. (PRNewsFoto/Marvell Semiconductor, Inc.)
In this photo provided by Disneyland, Ryan Seacrest, right, and Justin Bieber prepare to watch 'Captain EO' with more than 500 fans at Disneyland in Anaheim, Calif., on Friday, March 26, 2010. Contest winners from all over the country joined Seacrest and Bieber for a private event at Disneyland to celebrate the release of Bieber?s latest CD. (AP Photo/Disneyland, Lisa Rose)
Actor Richard Gere, right, talks with New York Yankees' Reggie Jackson, left, and Detroit Tigers manager Jim Leyland prior to a spring training baseball game Sunday, March 28, 2010, in Tampa, Fla. (AP Photo/Mike Carlson)
Actor Dennis Hopper is honored with a star on the Hollywood Walk of Fame on Friday, March 26, 2010, in Los Angeles. (AP Photo/Damian Dovarganes)
British musician Sir Elton John, left, speaks to gathered media as he arrives for the fifth anniversary show of the musical 'Billy Elliot' at a central London theatre, Wednesday, March 31, 2010. (AP Photo/Joel Ryan)
NFL football player Terrell Owens watches a tennis match between Andy Roddick and Igor Andreev during the Sony Ericsson Open tennis tournament, Friday, March 26, 2010, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)
Actor Rip Torn arrives for a hearing at Litchfield Superior Court, Tuesday, March 30, 2010, in Litchfield, Conn., where he is expected to enter pleas to burglary and firearms charges from a January incident. (AP Photo/Republican-American, John McKenna)
In this March 20, 2010 photo, actor John Cusack poses for a portrait in Los Angeles. (AP Photo/Reed Saxon)
In this publicity image released by The Wendy Williams Show, celebrity chef Jamie Oliver, left, from ABC's "Jamie Oliver's Food Revolution," discusses healthy eating with host Wendy Williams on "The Wendy Williams Show," Friday, March 26, 2010 in New York. (AP Photo/The wendy Williams Show, Anders Krusberg)
U.S. singer Madonna, right, walks through Heathrow Airport with her adopted child Mercy James, left, and Jesus Luz, rear right, Monday March 29, 2010. (AP Photo / Steve Parsons, PA)
U.S. singer Madonna, right, walks through Heathrow Airport with her adopted children Mercy James, right, and David Banda, left, Monday March 29, 2010. (AP Photo / Steve Parsons, PA)
In this photo provided by the UN Foundation, American Idol winner David Cook, right, plays with seven-year-old Mekdes during a visit to Biruh Tesfa, a United Nations program supported by the UN Foundation, in Addis Ababa, Ethiopia, Tuesday, March 30, 2010. Cook traveled with the UN Foundation to raise awareness about the importance of girls education for a special episode of Idol Gives Back, be be aired on April 21. (AP Photo/Stuart Ramson/UN Foundation)
Usher smiles at a question while conducting a radio interview with a live studio audience watching Thursday, March 25, 2010 in New York. (AP Photo/Jessica Rinaldi)
In this booking mug released by the Cuyahoga County Sheriff's Office on Monday, March 29, 2010, Stanley Howse _ whose stage name is Flesh-N-Bone from the group Bone Thugs-N-Harmony, is shown in police custody in Cleveland, Ohio. Howse was wanted on domestic violence and felonious assault charges. He is accused of striking his mother with a gun in 1998, leaving a 1-inch gash on her head. (AP Photo/Cuyahoga County Sheriff's Office)
Colombian singer Shakira reacts during the German game show "Wetten Dass" (Bet it...?) in Salzburg, Austria, on Saturday evening, March 27, 2010. Wetten Dass is one of the most popular Saturday night programs in Germany and Austria. (AP Photo/Kerstin Joensson, Pool)
Pete Doherty, right, and Carl Barat, frontmen of the indie band The Libertines, perform following a news conference in a northern London pub, Wednesday March 31, 2010. The Libertines held the question and and session and played an impromptu gig for fans to announce their appearance at this year's Reading and Leeds summer music festivals. (AP Photo/Lefteris Pitarakis)
In this photo released by PictureGroup, tennis superstar Roger Federer signs autographs at The Art of Shaving pop-up shop at the Sony Ericsson Open benefitting the Roger Federer Foundation on Sunday, March 28, 2010, in Key Biscayne, Fla. (Photo by Jeff Daly/PictureGroup for The Art of Shaving)
Members of the indie band The Libertines, from left to right, Carl Barat, Pete Doherty and John Hassall perform following a news conference in a northern London pub, Wednesday March 31, 2010. The Libertines held the question and and session and played an impromptu gig for fans to announce their appearance at this year's Reading and Leeds summer music festivals. (AP Photo/Lefteris Pitarakis)
In this photo provided by Warner Bros., talk show host Ellen DeGeneres takes a ride on "The Incredible Hulk Coaster" at Universal Orlando Resort on Saturday March 27, 2010 in Orlando, Fla. Episodes of "The Ellen DeGeneres Show" from Universal Orlando Resort are set to air on Thursday, April 1st and Friday, April 2nd. (AP Photo/Warner Bros., Kevin Kolcynski)
Usher gestures to the live studio audience during a radio interview Thursday, March 25, 2010 in New York. (AP Photo/Jessica Rinaldi)
British musician Sir Elton John, right, and Canadian partner David Furnish arrive for the fifth anniversary show of the musical 'Billy Elliot' at a central London theatre, Wednesday, March 31, 2010. (AP Photo/Joel Ryan)
In this photo released by WWE, WWE Superstar Triple H celebrates victory at WrestleMania XXVI on Sunday, March 28, 2010, in Glendale, Az. (AP Photo/Rick Scuteri/ WWE)
Actor Jack Nicholson, left, embraces actor Dennis Hopper, after Hopper was honored with a star on the Hollywood Walk of Fame on Friday, March 26, 2010, in Los Angeles. (AP Photo/Damian Dovarganes)
CBS sportscaster Dick Enberg poses for a photo on the basketball court before West Virginia and Kentucky play the final game in the East Regional of the NCAA college basketball tournament Saturday, March 27, 2010, in Syracuse, N.Y. Enberg, who today works what presumably will be his last NCAA tournament broadcast, predates March Madness. (AP Photo/Mike Groll)
Actor Dennis Hopper is honored with a star on the Hollywood Walk of Fame on Friday, March 26, 2010, in Los Angeles. (AP Photo/Damian Dovarganes)
New Mr. World Kamal Ibrahim of Ireland, center, celebrates with second place Josef Karas of Czech Republic, left, and third place Kenneth Okolie of Nigeria, right, after winning the Mr. World 2010 contest in Songdo, west of Seoul, South Korea, Saturday, March 27, 2010. (AP Photo/Hankook Daily paper, Jo Yong-ho) ** KOREA OUT **
Linda Cadwell, widow of the late kung fu star Bruce Lee, left, and Lee's daughter Shannon Lee attend opening ceremony for Bruce Lee's exhibition as part of the event at the Hong Kong International Film Festival in Hong Kong Tuesday, March 30, 2010. Bruce Lee's wife and daughter on Tuesday unveiled an exhibition of the late kung fu star's personal items, photos and movie posters in Hong Kong to mark what would have been his 70th birthday this November. The exhibit, which includes a boxing head guard and a pair of sunglasses used by Lee, is part of a tribute to the late actor at the 34th Hong Kong. (AP Photo/Kin Cheung)
Television personality Bill O' Reilly, right, talks with New York Mets general manager Omar Minaya during batting practice before the spring training baseball game with the Florida Marlins in Jupiter, Fla. Friday, March 26, 2010. (AP Photo/Richard Drew)
Colombian singer Shakira performs during the German game show "Wetten Dass" (Bet it...?) in Salzburg, Austria, on Saturday evening, March 27, 2010. Wetten Dass is one of the most popular Saturday night programs in Germany and Austria. (AP Photo/Kerstin Joensson, Pool)
Sir Paul McCartney performs during a stop on his Up and Coming Tour at the Hollywood Bowl in Los Angeles, Tuesday, March 30, 2010. (AP Photo/Chris Pizzello)
Actress Hayley Mills, right, and the cast and crew at work on the set of a movie being filmed at the Chinqua Penn Plantation in Reidsville, NC. Thursday, March 25, 2010. The movie, "Mandie and the Cherokee Treasure", is now being filmed at Chinqua Penn Plantation, and stars former child star Mills, well known for her roles in the movies "The Parent Trap" and "Pollyanna". (AP Photo/Jerry Wolford, News & Record)
Detroit Tigers' Johnny Damon, right, is greeted by actor and New York Yankees' guest Richard Gere, center, and manager Joe Girardi (28) prior to a spring training baseball game Sunday, March 28, 2010, in Tampa, Fla. (AP Photo/Mike Carlson)
Actress Hayley Mills smiles on the set of a movie being filmed at the Chinqua Penn Plantation on Thursday, March 25, 2010 in Reidsville, NC. The movie, "Mandie and the Cherokee Treasure", is now being filmed at Chinqua Penn Plantation, and stars former child star Mills, well known for her roles in the movies "The Parent Trap" and "Pollyanna". (AP Photo/Jerry Wolford, News & Record)
Sara Trumble ex-nanny of Heather Mills, arrives at an employment tribunal court in Ashford, England, Monday, March 29, 2010. The former employee of Paul McCartney's ex-wife Heather Mills is suing her for sex discrimination. Trumble, 25, wants compensation after allegedly being unfairly dismissed from her job as a nanny after she became pregnant. Mills' split from the former Beatle in 2006 was followed by a messy divorce in which she won 24 million pounds _ some of it intended to pay for a nanny for their daughter, Beatrice. (AP Photo/Kirsty Wigglesworth)
In this photo provided by NBC Universal, Country singer Alan Jackson performs a song from his new album "Freight Train" on NBC's "Today" show, in New York, on Tuesday, March 30, 2010. (AP Photo/NBC, Peter Kramer)
Olympic gold medalist, Shaun White, played his video game "Shaun White Snowboarding" in the Marvell booth at the CTIA show in Las Vegas. (PRNewsFoto/Marvell Semiconductor, Inc.)
In this March 25, 2010 photo, country singer Gretchen Wilson poses for a portrait at John Rich's house in Nashville Tenn. (AP Photo/Josh Anderson)
In this photo provided by the UN Foundation, American Idol winner David Cook joins an English class during a visit to Biruh Tesfa, a United Nations program supported by the UN Foundation, in Addis Ababa, Ethiopia, Tuesday, March 30, 2010. Cook traveled with the UN Foundation to raise awareness about the importance of girls education for a special episode of Idol Gives Back, be be aired on April 21. (AP Photo/Stuart Ramson/UN Foundation) ** NO SALES EDITORIAL USE ONLY **
British composer Andrew Lloyd Webber speaks during the German game show "Wetten Dass" (Bet it...?) in Salzburg, Austria, on Saturday evening, March 27, 2010. Wetten Dass is one of the most popular Saturday night programs in Germany and Austria. (AP Photo/Kerstin Joensson, Pool)
Hollywood movie star John Travolta of the United States poses for a photo with fans after arriving at the Albert Park circuit for the Australian Formula One Grand Prix in Melbourne,Saturday, March 27, 2010. (AP Photo/Mark Baker)
Actress Emma Thompson gestures during the German game show "Wetten Dass" (Bet it...?) in Salzburg, Austria, on Saturday evening, March 27, 2010. Wetten Dass is one of the most popular Saturday night programs in Germany and Austria. (AP Photo/Kerstin Joensson, Pool)
In this March 27, 2010 photo provided by the New York City Mayor's Office, Mayor Michael Bloomberg, center, poses with "Jersey Shore" reality television stars Nicole Polizzi and Mike Sorrentino during the Inner Circle Dinner in New York. (AP Photo/NYC Mayor's Office, Spencer T. Tucker)
Heather Mills, former wife of British musician Paul McCartney, leaves an employment tribunal court in Ashford, Kent in England, Monday, March 29, 2010. Sara Trumble, the former employee of Paul McCartney's ex-wife Heather Mills is suing her for sex discrimination. Trumble, 25, wants compensation after allegedly being unfairly dismissed from her job as a nanny after she became pregnant. Mills' split from the former Beatle in 2006 was followed by a messy divorce in which she won 24 million pounds _ some of it intended to pay for a nanny for their daughter, Beatrice. (AP Photo/Kirsty Wigglesworth)
British musician Sir Elton John, left, speaks to gathered media as he arrives for the fifth anniversary show of the musical 'Billy Elliot' at a central London theatre, Wednesday, March 31, 2010. (AP Photo/Joel Ryan)