Kristen and Rob Featured in 'Billboard Awards: 5 Most Memorable Ceremony Smooches'

3. Robert Pattinson and Kristen Stewart

While Justin and Selena have been somewhat public about their relationship, Rob and Kristen have kept theirs strictly out of the public eye, which only intensified their will-they-won't-they moment at the 2010 MTV Movie Awards when they won for—what else?—Best Kiss. The duo teased the audience until Rob finally planted a big fat smooch...we think. The angle made it hard to tell for certain.

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