Taylor and Taylor engaged in some PDA in Valentine's Day, Jen and Gerard's onscreen chemistry in The Bounty Hunter sparked real-life romance rumors, and Kristen Stewart locked lips with both Robert Pattinson and Dakota Fanning (in The Twilight Saga: New Moon and The Runaways, respectively). So which duos will face off for the 2010 MTV Movie Award for Best Kiss? You decide! The music network is giving movie fans the power to choose the nominees in all 13 categories, which include Best Villain, Best WTF Moment and Global Superstar. Cast your votes now, see if your favorites made the cut when the nominations are announced on May 11th and tune in to MTV for the anything-goes awards show on Sunday, June 6th.