Odd Couples: Celebrity Romantic Mismatches of 2012

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  • Rita Ora, Rob Kardashian
  • Rocsi Diaz, Eddie Murphy, Best of 2012
  • Ashton Kutcher, Rihanna, Best of 2012
  • Deion Sanders, Tracey Edmonds
  • Isabeli Fontana, Rohan Marley
  • Lady Gaga
  • Nene Leakes, Gregg Leakes, Best of 2012
  • Christina Aguilera, Matt Rutledge
  • Jennifer Lopez, Best of 2012
  • Shar Jackson, Jason Alexander, Best of 2012

Ashton Kutcher and Rihanna

When two suddenly single people as hot as Ashton and Rih Rih bump into each other, a hook-up seems inevitable. The sexy pop idol was allegedly spotted doing the walk of shame outside of Kutcher's home early in the morning last March, prompting rumors and uncomfortable questions from the press.

(Photos from left:  Jason Merritt/Getty Images, Dave Hogan/Getty Images)

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