Celebrities on and off the red carpet

Kelly Clarkson sings the national anthem before the start of Super Bowl XLVI in Indianapolis.   (Chris O’Meara / Associated Press)

Singer Katy Perry attends the Super Bowl XLVI pregame show in Indianapolis.   (Christopher Polk / Getty Images)

Madonna perfoms with LMFAO during the Super Bowl XLVI halftime show in Indianapolis.   (Matt Slocum / Associated Press)

Nicki Minaj performs during the Super Bowl XLVI halftime show at Lucas Oil Stadium in Indianapolis.   (Christopher Polk / Getty Images)

Madonna performs during the Super Bowl XLVI halftime show in Indianapolis.   (Rob Carr / Getty Images)

Contestants Perry Davis, Zoe Cottle and Lauren Mitchell pose backstage at the 2011 Miss Universe Australia NSW State Final at the Sir Stamford Hotel on June 1, 2011 in Sydney, Australia. Seven girls were selected from 20 New South Wales state finalists to compete in the national final in Melbourne on July 5.   (Photo by Lisa Maree Williams/Getty Images)

Robert Smith of the Cure performs on stage during sound check ahead of their Vivid Sydney Festival performance at the Sydney Opera House on May 31, 2011 in Sydney, Australia.  ((Photo by Ryan Pierse/Getty Image)

Adriana Karembeu attends the Formula One Gala Dinner at the Monaco Sporting on May 29, 2011 in Monaco, Monaco   (Photo by Pascal Le Segretain/Getty Images)

‘American Idol’ season 10 winner Scotty McCreery greets fans after performing in celebration of the opening of the new Microsoft Store at Lenox Square on May 28, 2011 at the Microsoft Store at Lenox Square in Atlanta, Georgia.   (Photo by Erik S. Lesser/Microsoft via Getty Images)

Singer Scotty McCreery is announced the season’s 2011 American Idol winner at Nokia Theatre LA Live on in Los Angeles.  (Kevin Winter/Getty Images)

Pixie Lott launches her third collection at Lipsy, Westfield London Shopping Centre on May 24, 2011 in London, England.   (Photo by Gareth Cattermole/Getty Images)

Actress Annabella Sciorra attends the 56th annual Drama Desk awards at Hammerstein Ballroom on May 23, 2011 in New York City.   (Photo by Janette Pellegrini/Getty Images for Drama Desk Awards)

Singers Britney Spears and Nicki Minaj perform onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas, Nevada.  (Kevin Mazur/WireImage)

French director Christophe Honore and French actress Catherine Deneuve pose during the photocall for ‘The Beloved’ at the 64th Cannes Film Festival on May 21.   (ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)

Bradley Cooper, Zach Galifianakis, Ed Helms and Director Todd Phillips at Warner Bros. Premiere of ‘The Hangover Part II’ at Grauman’s Chinese Theatre in Hollywood, California.  (Eric Charbonneau/WireImage)

Writer Caprice Crane arrives at the premiere of IFC Films’ ‘Love, Wedding, Marriage held at the Pacific Design Center on May 17, 2011 in West Hollywood, California.   (Photo by Kevin Winter/Getty Images)

Actress Kat Dennings attends Philadelphia Style Magazine’s 12th anniversary issue party at SugarHouse Casino on May 16, 2011 in Philadelphia, Pennsylvania.   (Photo by Gilbert Carrasquillo/Getty Images)

Lady Gaga performs at Radio 1’s Big Weekend 2011 at Carlisle Airport in Carlisle, England.  (Dave Hogan/Getty Images)

Musicians Tomo Milicevic, Jared Leto and Shannon Leto of the band 30 Seconds to Mars attend the 30 Seconds To Mars ‘Hurricane’ Music Video screening at the Museum of Sex on May 10, 2011 in New York City.   (Photo by Jamie McCarthy/Getty Images)

Andy Samberg visits the Apple Store Soho on May 9, 2011 in New York City.   (Photo by Cindy Ord/Getty Images)

Singer/dancer Paula Abdul (L) and producer Simon Cowell arrive at the first round of auditions for Fox’s ‘The X Factor’ at Galen Center on May 8, 2011 in Los Angeles.  (Kevin Winter/Getty Images)

Tom Cruise and Katie Holmes  (Photo by John Shearer/WireImage)

Jennifer Lopez arrives at her CD signing to celebrate her new album ‘LOVE?’ held at the Hard Rock Cafe Hollywood on May 3, 2011 in Hollywood, California.   (Photo by Michael Caulfield/Getty Images)

Kat Dennings attends the premiere of Paramount Pictures’ and Marvel’s ‘Thor’ held at the El Capitan Theatre on May 2, 2011 in Los Angeles, California.   (Photo by Kevin Winter/Getty Images)

Singer Katy Perry arrives on the red carpet ahead of the 2011 Logie Awards at Crown Palladium on May 1, 2011 in Melbourne, Australia.   (Photo by Scott Barbour/Getty Images)

Actor Vin Diesel attends a photocall for ‘Fast & Furious 5’ at Hotel Santo Mauro on April 26, 2011 in Madrid, Spain.   (Photo by Carlos Alvarez/Getty Images)

Colombian singer Shakira kisses Barcelona player Gerard Pique during the la Liga match between Barcelona and Osasuna at the Camp Nou stadium in Barcelona, Spain. (   (Photo by Jasper Juinen/Getty Images)

Actor Jamie Foxx speaks at the Obama Victory Fund 2012 Kick-Off with The President and Jamie Foxx at Sony Pictures Studios iin Culver City, California.  (Photo by Michael Kovac/WireImage)

Lady Gaga performs during The Monster Ball Tour at the Arena at Gwinnett Center on April 18, 2011 in Duluth, Georgia.   (Photo by Rick Diamond/Getty Images)

Rapper Kanye West performs during Day 3 of the Coachella Valley Music & Arts Festival 2011 held at the Empire Polo Club on April 17, 2011 in Indio, California.   (Photo by Kevin Winter/Getty Images)

Singer Ricky Martin performs during the ‘Musica + Alma + Sexo’ tour at the Prudential Center in Newark, New Jersey.  (Photo by Mike Coppola/Getty Images)

Kylie Minogue and the Lexus CT 200h celebrate a stunning success as the Aphrodite Tour ends on a high at 02 Arena on April 12, 2011 in London, England.   (Photo by Dave M. Benett/Getty Images)

Alec Baldwin leaves the ‘Late Show With David Letterman’ at the Ed Sullivan Theater on April 11, 2011 in New York City.   (Photo by Donna Ward/Getty Images)

Charlie Sheen speaks on stage during his ‘Violent Torpedo of Truth/Defeat Is Not An Option’ tour at Radio City Music Hall in New York City.  (Photo by Kevin Mazur/WireImage)

Actress Eva Longoria attends the Inaugural Gala of LA Plaza de Cultura y Artes on April 9, 2011 in Los Angeles, California.   (Photo by David Livingston/Getty Images)

Nicki Minaj performs on stage at the launch of the Casio New TRYX digital camera at Best Buy Theater in New York City.  (Photo by Kevin Mazur/WireImage for Casio)

Lady Gaga performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles.   (Kevin Winter/Getty Images)

Singer Justin Bieber arrives at the premiere of Paramount Pictures’ ‘Justin Bieber: Never Say Never’ held at Nokia Theater L.A. Live on February 8, 2011 in Los Angeles, California.   (Photo by Alberto E. Rodriguez/Getty Images for Paramount Pictures)

Actress Natalie Portman arrives at the 83rd Academy Awards nominations luncheon held at the Beverly Hilton Hotel on February 7, 2011 in Beverly Hills, California.  (Photo by Kevin Winter/Getty Images)

Actress Jennifer Tilly attends the special one night only screening of ‘The Making Of Plus One’ at the Laemmle Monica 4-Plex on February 2, 2011 in Santa Monica, California.   (Photo by John M. Heller/Getty Images)

Groundhog handler Ben Hughes watches Punxsutawney Phil after he did not see his shadow predicting an early spring during the 125th annual Groundhog Day festivities on February 2, 2011 in Punxsutawney, Pennsylvania.   (Jeff Swensen/Getty Images)

TV personality and author Brooke Burke promotes her new book ‘The Naked Mom’ at Bookends on February 1, 2011 in Ridgewood, New Jersey.   (Photo by John W. Ferguson/Getty Images)

TV personality Jenni ‘JWoww’ Farley promotes Ab Cuts by Revolution at the GNC Store, Westfield Garden State Plaza on January 31, 2011 in Paramus, New Jersey.   (Photo by John W. Ferguson/Getty Images)

Recording Artist Justin Bieber attends the Stuff Bieber’s Bus press conference at the CNN Center on December 23, 2010 in Atlanta, Georgia.   (Photo by Moses Robinson/Getty Images)

Singers Wanya Morris, Nathan Morris and Shawn Stockman of the group Boyz II Men appear before singing the American national anthem at the MAACO Bowl Las Vegas at Sam Boyd Stadium featuring the Boise State Broncos and the Utah Utes in Las Vegas, Nevada. Boise State Won 26-3.   (Photo by Ethan Miller/Getty Images)

David Hasselhoff smiles in the mirror in his dressing room at the New Theatre in Wimbledon, England.   (Photo by Chris Jackson/Getty Images for T-Mobile)

Singer Justin Bieber performs at St. Pete Times Forum in Tampa, Florida.   (Photo by Tim Boyles/Getty Images)

Actor Colin Farrell speaks on stage during an ‘In Conversation’ on day eight of the 7th Annual Dubai International Film Festival held at the Madinat Jumeriah Complex on December 19, 2010 in Dubai, United Arab Emirates.   (Photo by Gareth Cattermole/Getty Images For Dubai International Film Festival)

Paris Hilton appears in court at the Clark County Regional Justice Center September 20, 2010 in Las Vegas, Nevada. Hilton pleaded guilty to two misdemeanors, drug possession and obstructing an officer, as part of a plea deal worked out with prosecutors following her August 27 arrest for cocaine possession on the Las Vegas Strip. As part of the agreement, Hilton will serve a year of probation, pay a $2,000 fine, serve 200 hours of community service and must complete a drug abuse program in order to avoid jail time and a felony conviction.   (Photo by Isaac Brekken/Getty Images)

Zac Efron arrives at the Australian premiere of ‘Charlie St Cloud’ in Sydney, Australia.   (Photo by Brendon Thorne/Getty Images)

Singer Shakira performs ‘Waka Waka (This Time for Africa)’ with South African band Freshlyground during the Closing Cermony ahead of the 2010 FIFA World Cup Final match.  (Photo by Clive Rose/Getty Images)

Ringo Starr performs while celebrating his 70th birthday with his All Starr Band at Radio City Music Hall on July 7, 2010 in New York City.   (Kevin Mazur/Contributor)

Actress Lindsay Lohan attends a probation revocation hearing at the Beverly Hills Courthouse on July 6, 2010 in Los Angeles, California. Lindsay Lohan was put on probation for her August 2007 no-contest plea to drug and alcohol charges stemming from two separate traffic accidents, but the probation was revoked in May 2010 after missing a scheduled hearing.   (Photo by David McNew/Getty Images)

Lady Gaga performs at the Boardwalk Hall Arena on July 4, 2010 in Atlantic City, New Jersey.   (Photo by Donald Kravitz/Getty Images)

Reba McEntire is presented with an award from host Jimmy Smits during the annual PBS ‘A Capitol Fourth’ concert at the US Capitol on July 3, 2010 in Washington, DC.   (Photo by Kris Connor/Getty Images)