Ciara is seen before the start of the NFL Pro Bowl football game on Jan. 31, 2016, in Honolulu.
T.I. poses with cheerleaders before the game between the Denver Broncos and New England Patriots in the AFC Championship football game at Sports Authority Field at Mile High on Jan. 24, 2016 in Denver, CO.
Lil Jon performs during halftime in a AFC Wild Card playoff football game between the Houston Texans and Kansas City Chiefs at NRG Stadium on Jan. 9, 2016 in Houston, TX.
Demi Lovato at the New York Jets vs. Washington Redskins game at the MetLife Stadium in New Jersey on Oct. 18, 2015.
Blake Shelton and Gwen Stefani
Arizona Cardinals fan Blake Shelton with Gwen Stefani on the sidelines before a game against the Green Bay Packers on Dec. 27, 2015 in Glendale, Az.
Jessie James Decker
Jessie James Decker, wife of New York Jets wide receiver Eric Decker, sings the national anthem before an NFL football game between the New York Jets and the Buffalo Bills on Nov. 12, 2015, in East Rutherford, N.J.
Slash performs the national anthem with the USC Trojans Marching Band during a 40-21 victory over the Pac-12 crosstown rival UCLA Bruins at the Los Angeles Memorial Coliseum in Los Angeles, Calif. on Nov. 28, 2015.
Brad Paisley conducts an interview after performing "Country Roads" prior to kickoff at Milan Puskar Stadium on Sept. 26, 2015 in Morgantown, WV.
Melissa Etheridge sings the national anthem before a game between the New York Giants and the Miami Dolphins at Sun Life Stadium on Dec. 14, 2015 in Miami Gardens, FL.
Ciara performs the National Anthem before the start of the College Football Playoff National Championship game between the Clemson Tigers and the Alabama Crimson Tide at University of Phoenix Stadium in Glendale, Az. on Jan. 11, 2016.
Miley Cyrus in attendance during NCAA Football game between the California Golden Bears and the USC Trojans at the Coliseum in Los Angeles, Calif. on Nov. 13, 2014.
Jon Bon Jovi
Jon Bon Jovi and Jesse Terry attend the NY Jets VS New England Patriots game at MetLife Stadium on Dec. 21, 2014 in East Rutherford, NJ.
Macklemore watches from the sideline before the 2013 NFC divisional playoff football game between the Seattle Seahawks and the New Orleans Saints at CenturyLink Field on Jan. 11, 2014.
LL Cool J
LL Cool J talks to the defensive backs before a week 12 football game against the Dallas Cowboys on Nov. 23, 2014 in East Rutherford, NJ.
Katy Perry joins host Chris Fowler and Kirk Herbstreit during telecast of ESPN's College GamDay in The Grove at the University of Mississippi prior to their NCAA college football game in Oxford, Miss., Saturday, Oct. 4, 2014.
Queen Latifah talks with NFL Commissioner Roger Goodell before the Seattle Seahawks take on the Denver Broncos during Super Bowl XLVIII at MetLife Stadium on Feb. 2, 2014 in East Rutherford, NJ.
The Red Hot Chili Peppers
The Red Hot Chili Peppers watch Super Bowl XLVIII between the Denver Broncos and the Seattle Seahawks from the sidelines at MetLife Stadium on Feb. 2, 2014 in East Rutherford, NJ.
Dr. Dre on the sidelines before the NFL football NFC Championship game between the Seattle Seahawks and the San Francisco 49ers on Jan. 19, 2014 in Seattle.
Macklemore celebrates after the Seattle Seahawks 23-17 victory against the San Francisco 49ers during the 2014 NFC Championship at CenturyLink Field on Jan. 19, 2014 in Seattle, Washington.
Selena Gomez is greeted by Dallas Cowboys owner Jerry Jones before the Cowboys' NFL football game against the Minnesota Vikings on Nov. 3, 2013 in Arlington, Texas.
Usher greets fans before the NFC championship game between the San Francisco 49ers and the Atlanta Falcons at the Georgia Dome on Jan. 20, 2013, in Atlanta, Ga.
Joe Jonas poses for a photograph with the Miami Dolphins cheerleaders during a game against the Cincinnati Bengals at Sun Life Stadium on Oct. 31, 2013 in Miami Gardens, Fl.
MC Hammer and members of the Oakland Fight Club before an NFL football game between the Oakland Raiders and the Pittsburgh Steelers in Oakland, Calif. on Oct. 27, 2013.
Snoop Dogg wears a #24 Seattle Seahawks jersey as he stands on the field prior to an NFL preseason football game between the Seahawks and the Oakland Raiders on Aug. 29, 2013 in Seattle.
Katharine McPhee attends the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on Feb. 3, 2013 in New Orleans, Louisiana.
Erin Andrews, Usher and Michael Strahan
Erin Andrews, Usher and Michael Strahan stand on the field prior to the Atlanta Falcons hosting the San Francisco 49ers in the NFC Championship game at the Georgia Dome on Jan. 20, 2013 in Atlanta, Ga.
Prince Amukamara celebrates with Katy Perry after the Giants' 21-17 win in the NFL Super Bowl XLVI football game against the New England Patriots on Feb. 5, 2012, in Indianapolis.
Donnie Wahlberg watches the teams warm up on the field before the NFL Super Bowl XLVI football game between the New York Giants and the New England Patriots on Feb. 5, 2012, in Indianapolis.
Flavor Flav celebrates the New York Giants victory against the New England Patriots at Super Bowl XLVI at Lucas Oil Stadium in Indianapolis, Indiana on Feb 5, 2012.
Steven Tyler attends the AFC Championship Game between the New England Patriots and the Baltimore Ravens at Gillette Stadium on Jan. 22, 2012 in Foxboro, Massachusetts.
Jon Bon Jovi
Jon Bon Jovi stands on the sidelines as he wathces warm ups between the Denver Broncos and the New England Patriots during their AFC Divisional Playoff Game at Gillette Stadium on Jan. 14, 2012 in Foxboro, Massachusetts.
Ice-T and Coco attend the New England Patriots Vs New York Jets game at the MetLife Stadium on Nov. 13, 2011 in East Rutherford, NJ.
Dwyane Wade, Pitbull, Marc Anthony and Will Smith
Dwyane Wade, Pitbull, Marc Anthony and Will Smith attend the Miami Dolphins vs New England Patriots Monday Night Football game on Sept. 12, 2011 in Miami Gardens, Fl.
Jay Z looks at the NFL season opening game between the Dallas Cowboys and New York Jets at MetLife Stadium on Sept. 11, 2011 in East Rutherford, NJ.
Wiz Khalifa and Bill Gardell wave terrible towels and fire up the fans prior to the Pittsburgh Steelers NFL 2011 AFC Championship playoff football game against the New York Jets on Jan. 23, 2011 in Pittsburgh, Pa.
Marc Anthony, Fergie, Jennifer Lopez and Kim Kardashian
Marc Anthony, Fergie, Jennifer Lopez and Kim Kardashian at the NY Jets Vs the Miami Dolphins game at Sunlife stadium on Sept. 26, 2010 in Miami, Fl.
Taylor Swift and Selena Gomez
Taylor Swift and Selena Gomez watch an NCAA college football game between Notre Dame and Purdue in South Bend, Ind. on Sept. 4, 2010.
Gloria Estefan, Pat Ferguson, Emilio Estefan and Fergie
Gloria Estefan, Pat Ferguson, Emilio Estefan and Fergie pose on the field before the Pittsburgh Steelers take on the Miami Dolphins at Land Shark Stadium on Jan. 3, 2010 in Miami, Fl.
Tim McGraw and Faith Hill
Tim McGraw and Faith Hill attend Super Bowl XLIII between the Arizona Cardinals and the Pittsburgh Steelers on Feb. 1, 2009 at Raymond James Stadium in Tampa, Fl.
DeMarcus Ware #94 of the Dallas Cowboys says hello to Jay-Z before their game against the Green Bay Packers at Lambeau Field on Sept. 21, 2008 in Green Bay, Wisconsin.
John Legend and Chrissy Teigen
John Legend and Chrissy Teigen watch the New York Jets play the New York Giants Saturday night, Aug. 23, 2008 at Giants Stadium in East Rutherford, N.J.
Jordin Sparks and father, former NFL player Phillippi Sparks arrive on Fox's Super Bowl XLII red carpet on Feb. 3, 2008 at University of Phoenix Stadium in Glendale, Arizona.
Nick Lachey and Vanessa Minnillo watch from the sidelines during USC football game against Notre Dame at the Los Angeles Memorial Coliseum in Los Angeles, Calif. on Nov. 25, 2006.
Ice Cube poses with family in an Oakland Raiders No. 18 Randy Moss jersey before game against the Dallas Cowboys at McAfee Coliseum in Oakland, Calif. on Oct. 2, 2005.
Will Smith on the field before the start of Super Bowl XXXIX between the New England Patriots and the Philadelphia Eagles at Alltel Stadium on Feb. 6, 2005 in Jacksonville, Fl.
Kid Rock and Sean "P. Diddy" Combs
Kid Rock and Sean "P. Diddy" Combs during Super Bowl XXXVIII - Backstage at Reliant Stadium in Houston, Texas.