Celebrities at the Super Bowl

Idina Menzel sings the “Star Spangled Banner” during the pregame ceremony for Super Bowl XLIX.  (Timothy A. Clary / AFP / Getty Images)

Recording artist Rihanna performs at the DirecTV Super Bowl party in Glendale, Ariz., on Jan. 31.  (Christopher Polk / Getty Images)

Recording artist Kanye West performs at the DirecTV Super Bowl party in Glendale, Ariz., on Jan. 31.  (Christopher Polk / Getty Images)

John Legend sings “America, the Beautfiul” during the pregame ceremony for Super Bowl XLIX.  (Kevin C. Cox / Getty Images)

Katy Perry performs.  (Michael Conroy / AP)

Fans watch as Katy Perry performs during halftime.  (David Goldman / AP)

Dancing sharks were part of Katy Perry’s halftime performance.  (Rob Carr / Getty Images)

Singer Katy Perry performs “Teenage Dream.”   (David J. Phillip / Associated Press)

Katy Perry’s own group of dancers joins in.  (Christopher Polk / Getty Images)

Katy Perry, left, and Missy Elliott perform during halftime.  (David J. Phillip / Associated Press)

Katy Perry performs during the halftime show at Super Bowl XLIX.  (David J. Phillip / Associated Press)

Katy Perry performs among lighted balls.  (Ben Margot / AP)

Katy Perry and Lenny Kravitz perform “I Kissed a Girl.”   (Christian Petersen / Getty Images)

Katy Perry soars above the crowd.  (Kevin C. Cox / Getty Images)

Katy Perry, with a star above her, performs.  (Brynn Anderson / Associated Press)

Katy Perry performs with Missy Elliott and her dancers.  (Jamie Squire / Getty Images)

Katy Perry performs.  (Christopher Polk / Getty Images)

Fireworks go off as Katy Perry performs.  (Jamie Squire / Getty Images)

Katy Perry rides a mechanical lion to open her halftime show at Super Bowl XLIX.  (Tom Pennington / Getty Images)

Katy Perry and special guest Missy Elliott perform during the Super Bowl XLIX halftime show.  (David J. Phillip / Associated Press)

Katy Perry and special guest Lenny Kravitz perform during the halftime show at University of Phoenix Stadium.  (Christian Petersen / Getty Images)

Actor and recording artist Jamie Foxx performs at the Playboy Super Bowl party in Scottsdale, Ariz., on Jan. 30.  (Michael Buckner / Getty Images)

Actor and recording artist Nick Cannon arrives at the Maxim Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Jason Merritt / Getty Images)

Actors Chris Evans, left, and Bryan Greenberg attend the Maxim Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Michael Buckner / Getty Images)

Recording artist Katy Perry speaks during a news conference in Phoenix on Thursday. Perry will perform during the Super Bowl XLIX halftime show Sunday.  (Christopher Polk / Getty Images)

Recording artist Ludacris performs at the Maxim Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Colin Young-Wolff / Invision / Associated Press)

The band Florida Georgia Line performs at the Madden Bowl XXI Super Bowl party in Scottsdale, Ariz., on Jan. 29.  (Omar Vega / Invision / Associated Press)

Recording artist Lil Jon performs during the Madden Bowl XXI Super Bowl party in Scottsdale, Ariz., on Jan. 29.  (Omar Vega / Invision / Associated Press)

Musical group the Roots arrive at the Maxim Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Antonio Pullano / Associated Press)

Recording artist Charli XCX performs at the Rolling Stone Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Taylor Hill / Getty Images)

Recording artist Steven Tyler sings during the Rolling Stone Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Gustavo Caballero / Getty Images)

Recording artist Nelly performs at the Bud Light House of Whatever Super Bowl party in Phoenix on Jan. 31.  (Cindy Ord / Getty Images)

Recording artist Steve Aoki performs at Bud Light House of Whatever Super Bowl party in Phoenix on Jan. 31.  (Stephen Lovekin / Getty Images)

Television personality Maria Menounos, film director Michael Bay and actor Mark Wahlberg speak onstage at the Giving Back Fund’s Super Bowl party in Phoenix on Jan. 31.  (Jesse Grant / Getty Images)

Miss California Sande Charles attends the Leigh Steinberg Super Bowl party at the Arizona Science Center in Phoenix on Jan. 31.  (Maury Phillips / Getty Images )

Recording artist Bebe Rexha performs at Bud Light House of Whatever Super Bowl party in Phoenix on Jan. 31.  (Stephen Lovekin / Getty Images)

Fashion models Emily Sears, left, and Lisa Morales take a selfie during the Maxim Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Cindy Ord / Getty Images)

Musicians, from left, Daniel Wayne Sermon, Ben McKee, Dan Reynolds and Dan Platzman of Imagine Dragons attend ESPN’s Super Bowl party in Scottsdale, Ariz., on Jan. 30.  (Gustavo Caballero / Getty Images )

Former NBA star Shaquille O’Neal performs at the Bud Light House of Whatever Super Bowl party in Phoenix on Jan. 31.  (Cindy Ord / Getty Images)

Musicians Andy Hurley, left, and Pete Wentz of the band Fall Out Boy attend ESPN’s Super Bowl party in Scottsdale, Ariz., on Jan. 30.  (John Parra / Getty Images )

Recording artist J. Cole performs at ESPN’s Super Bowl party in Scottsdale, Ariz., on Jan. 30.  (Robin Marchant / Getty Images)

Recording artist Jordin Sparks performs at the Giving Back Fund’s Super Bowl party in Phoenix on Jan. 31.  (Andrew H. Walker / Getty Images)

Film director Michael Bay, left, and film producer Jerry Bruckheimer attend the Giving Back Fund’s Super Bowl party in Phoenix on Jan. 31.  (Andrew H. Walker / Getty Images)

Actors Chris Pratt and Anna Faris attend the Maxim Super Bowl party in Scottsdale, Ariz., on Jan. 31.  (Michael Buckner / Getty Images)