Ezra Miller & Zoe Kravitz
The Perks of Being a Wallflower star Ezra Miller was busted in a more than just friendly lip lock with X-Men: First Class star Zoe Kravitz in 2010. Though the two were in a movie together, Beware the Gonzo, their fling reportedly didn't last long. These days, Miller is single, while Kravitz is in a relationship with Gossip Girl star Penn Badgley. Check out more celeb couples that managed to stay under the radar.