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What Are The Sports Teams Your Favorite Celebs Obsess Over?

17 of Hollywood's finest and the teams they root for.

If you're a member of a fandom, you know how intense the obsession can get. But what do celebs obsess over?

Sports! So many celebs with a devoted fan followings have their own devotions as well, and it's pretty often a team. Here are some of your favorite fandom's sporty fandoms.

Chris Pratt, Seattle Seahawks & Mariners

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While Pratt's character on "Park and Recreation is a huge Indianapolis Colts fan, the man himself great up near Seattle and loves the Super Bowl champion Seahawks and Seattle Mariners.

Jennifer Lawrence, Louisville Cardinals

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J-Law grew up in Louisville, KY, and is a big fan of the University of Louisville Cardinals. She even narrated a hype video for them this summer. Her "Hunger Games" co-star Josh Hutcherson is a fan of the Kentucky Wildcats, AKA one of Louisville's biggest rival. No doubt that made for some healthy trash talking on set.

Lady Gaga, New York Giants/Knicks/Yankees

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The Mother Monster is a true New Yorker - she reps the Giants, Knicks and Yankees...but she's also been known to "enjoy" a Mets game in the past.

Justin Bieber, Toronto Maple Leafs

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Bieber is a bit of sports polygamist, rocking everything from Miami Heat to LA Kings to Barcelona gear. But the Canadian is a hockey fan first, and roots for his hometown Toronto Maple Leafs. He's also good buddies with boxer Floyd Mayweather, because of course.

Beyonce, Houston Rockets

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Queen Bey represents Houston to the fullest through her Rockets fandom - she's known to rock a Rockets fitted cap or a James Harden jersey.

Macklemore, Seattle Seahawks

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Mack is a huge Seattle Seahawks fan, and was at the Super Bowl celebrating with Seahawks players after their win in February.

Daniel Radcliffe, New York Giants

The "Harry Potter" star loves football...American football (just watch above video for proof). He's a New York Giants fan and obsessed with playing fantasy football (nothing wizard-related there).

Bradley Cooper, Philadelphia Eagles

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Rocket Raccoon played an obsessive sports fan in "Silver Linings Playbook," which hit close to home: the Philly native is a big Eagles fan, along with other Philly natives like John Legend and Questlove.

Selena Gomez, San Antonio Spurs

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Selena hails from San Antonio, and is a big San Antonio Spurs fan. Her ex Justin Bieber has been known to root for the Miami Heat - makes sense, given the Spurs and Heat are big rivals.

Katy Perry, LA Lakers & New England Patriots

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Katy is often spotted at LA Lakers games, but also roots for the New England Patriots in the NFL. She's a bi-costal fan.

Taylor Swift, Pittsburgh Penguins

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The Pennsylvania native loves the Pittsburgh Penguins and hockey in general - but hockey fans fear her "curse," which only proves that Taylor Swift will one day rule us all.

Demi Lovato, Dallas Cowboys

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Demi is a Texas native and the daughter of a former Dallas Cowboys cheerleader, so you know she roots for them Cowboys. She even Tweeted her support of the Boys signing DE Michael Sam, the first openly gay player ever drafted into the NFL.

Zac Efron, New Orleans Saints & LA Lakers

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The "High School Musical" star is probably a Wildcats fan at heart, but in real life he's a big New Orleans Saints fan and a Lakers fan to boot. He's also an English Premier League fan, in case you ship Efron with any of your favorite Brits.

Nicki Minaj, New York Giants

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Nicki is a "Proud New Yawka" and roots for the Giants, and seemingly reps for Villanova in college hoops.

Drake, Toronto Raptors

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Who DOESN'T Drake root for? The Toronto native's biggest allegiance to the Raptors though, much to the chagrin of the NBA for some reason.

Rihanna, LA Lakers & Liverpool FC

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Rihanna is frequently courtside for the Lakers, but it's not just for show. Given that she's from Barbados, a former British colony and soccer-mad island, she's also a big soccer fan and supports Liverpool so much, she wants to buy the team.

Iggy Azalea, LA Lakers

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Iggy's boyfriend Nick Young balls for the Lakers, and Iggy herself has a pretty decent jumper. She apparently plays a little soccer as well.