Which celebrities are Patriots fans and which are Seahawks fans? Find out now!
Go Patriots! Ben Affleck is likely the best known Boston-based fan on the planet.
Tweeted The Office star after his team qualified for Super Bowl XLIX:” Here We Go PATS!!!"
Captain America has been engaged in a Twitter war with Seahawks fan Chris Pratt.
This photo of Chris Pratt and his family says it all, doesn't it?
Tweeted Joel McHale as Seattle took on Green Bay: "My nervous system just leaked out of my ears. @Seahawks #GBvsSEA #Overtime
Mark Wahlberg is a native of Massachusetts. He's watched games from the box of Patriots owner Robert Kraft.
The former Office star will be hoping Russell Wilson rains passes down on the Patriots defense all game long.
Chrissy Teigen was born in Seattle. She may not be speaking to Gisele for a little while.
Macklemore cheers on the Seahawks at the AFC Championship game in this picture.
Matt Damon may be cheering on his beloved Patriots alongside Ben Affleck.
Conan O'Brien went to Harvard. He's wicked smart. And he loves his Patriots.
Sir Mix-A-Lot poses here with Seattle coach Pete Carroll. Guess who he's cheering for?
Tweeted Donnie Wahlberg earlier during the NFL playoffs: "Best team always wins. Today, glad it was the @Patriots! Hope for two more!"
Maria Menounos is very clear about her affections on Twitter. Along with this photo, she recently wrote: "Major commitment here..we decided to wear exact same clothing we wore against Baltimore #superstitious #Patriots."