AP Photo/Matt Sayles
Jennifer Lopez, right, and husband Marc Anthony arrive at the premiere of "The Back-Up Plan" in Los Angeles on Wednesday, April 21, 2010.
AP Photo/Matt Sayles
Television personalities Jake Pavelka, right, and Vienna Girardi arrive at the premiere of "The Back-up Plan" in Los Angeles on Wednesday, April 21, 2010.
AP Photo/Jason DeCrow
Bruce Springsteen speaks after being honored at the Ellis Island Family Heritage Awards on Thursday, April 22, 2010, on Ellis Island in New York.
AP Photo/Mark Davis/PictureGroup/Fox
Carrie Underwood performs at "Idol Gives Back 2010" on Wednesday, April 21, 2010, in Pasadena, Calif. Underwood won the Entertainer of the Year award Sunday at the Academy of Country Music Awards in Las Vegas.
AP Photo/Vince Bucci/PictureGroup/Fox
Fergie performs with the Black Eyed Peas at "Idol Gives Back 2010" on Wednesday, April 21, 2010, in Pasadena, Calif.
"Shrek Forever After" Cast at Tribeca Film Festival
AP Photo/Peter Kramer
From left, actors Cameron Diaz, Eddie Murphy, Mike Myers and Antonio Banderas attend the premiere of "Shrek Forever After" during the 2010 Tribeca Film Festival in New York on Wednesday, April 21, 2010.
AP Photo/Peter Kramer
Actress Cameron Diaz attends the premiere of "Shrek Forever After" during the 2010 Tribeca Film Festival in New York on Wednesday, April 21, 2010.
AP Photo/Peter Kramer
Actor Mike Myers attends the premiere of "Shrek Forever After" during the 2010 Tribeca Film Festival in New York on Wednesday, April 21, 2010.
AP Photo/Chris Pizzello
Jason Mraz arrives at the 27th Annual ASCAP Pop Music Awards on Wednesday April 21, 2010, in Los Angeles.
The All-American Rejects at Pop Music Awards
AP Photo/Chris Pizzello
Tyson Ritter, left, and Nick Wheeler, of The All-American Rejects, arrive at the 27th Annual ASCAP Pop Music Awards on Wednesday April 21, 2010, in Los Angeles.
Lady Gaga Performs in Japan
AP Photo/Kyodo News, Iori Sagisawa
Lady Gaga performs during an AIDS-awareness event in Tokyo, Tuesday, April 20, 2010.
AP Photo/Donald Traill
David Ramsey, left, Kerry Washington and Samuel L. Jackson attend the "Mother and Child" premiere in Los Angeles on Monday, April 19, 2010.
Rufus Wainwright in London
AP Photo/David Azia
Rufus Wainwright poses for a portrait at Sadler's Wells Theatre in central London.
Slash Arrives for Tokyo Event
AP Photo/Shizuo Kambayashi
Former Guns N' Roses guitarist Slash arrives for a fan event in Tokyo on Thursday, April 22, 2010.
Vanessa Williams Performs on Broadway
AP Photo/Boneau/Bryan-Brown, Richard Termine
From left, Norm Lewis, Vanessa Williams, Matthew Scott and Euan Morton are shown in a scene from the Roundabout Theatre Company production of "Sondheim on Sondheim," now playing at Broadway's Studio 54 in New York.