14 of the Biggest March Madness Celebrity Fans

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With the First Four kicking off Tuesday in Dayton, Ohio, ET is looking at the celebrity college basketball fans who will be rooting for their teams during March Madness 2017.
Keep reading to find out who will be on pins and needles through every buzzer beater and upset of the NCAA Division I men's basketball tournament.
1. Ashley Judd -- Kentucky Wildcats

The Divergent actress graduated from the University of Kentucky honors program before launching her acting career in Star Trek: The Next Generation.
2. Bill Clinton -- Arkansas Razorbacks
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The 41st President of the United States, an Arkansas native, was governor of The Natural State before becoming commander in chief.
3. Jason Sudeikis -- Kansas Jayhawks
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The Saturday Night Live alum is a Kansas native and played basketball at Fort Scott Community College on a scholarship.
4. Jay Z -- Kentucky Wildcats
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The rapper is reportedly friends with Coach John Calipari.
5. Nick Lachey -- Cincinnati Bearcats
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The 98 Degrees singer was born in Kentucky but he grew up near Cincinnati, which is where his alliance lies.
6. Drake -- Kentucky Wildcats
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The Canadian entertainer is very close with Coach John Calipari and has called him his mentor.
7. Magic Johnson -- Michigan State Spartans
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The basketball legend famously led Michigan State's 1978-79 team to victory in the NCAA championship game over Larry Bird and the Indiana State Sycamores.
8. Jennifer Lawrence -- Louisville Cardinals
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The Oscar winner stays true to her roots in Louisville, Kentucky, where she was born.
9. Bill Murray -- Xavier Musketeers
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The comedian's son, Luke Murray, is an assistant coach for the Musketeers.
10. Julia Louis-Dreyfus -- Northwestern Wildcats

Northwestern is the Veep star's alma mater, but more importantly, her son, Charlie Hall, plays for the school now.
11. Olivia Munn and Aaron Rodgers -- Wisconsin Badgers
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The Green Bay Packers quarterback supports his state's team.
12. Paul Rudd -- Kansas Jayhawks
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The Ant-Man star hails from The Sunflower State.
13. Katie Holmes -- Notre Dame Fighting Irish
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Holmes and daughter Suri watched the Fighting Irish beat Stephen F. Austin State University during the second round of last year's NCAA Division I men's basketball tournament.
14. Selena Gomez -- Baylor Bears
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The singer is such a big fan, she named her dog Baylor.