March Madness 2013 is here, and as always, celebrities will flock out in droves to support their favorite teams in anticipation of a deep run to the Final Four.
From the covert supporter to the sideline screamer, most of these 25 celebs will likely be on camera during March Madness—in the stands, that is. With major programs like Indiana, UCLA and Kansas all expected to make the big dance, there's a good chance a few celebrities we don't hear much about will come out to support their CBB team.
College football might be the collegiate sport that draws the most outside attention from high-profile fans, but March Madness is a chance for basketball fans to get up and yell at bad officiating, too—just like the rest of the country.
In the spirit of March Madness and the 2013 NCAA tournament, here's a showcase of the top 25 fans you should be on the lookout for (or appreciate for their activism) during every round this season.