"I'd say best..." he mused, "I'll say it was Blake, because we actually had a relationship at the time." PHOTOS: Costars couples As for his worst?
And in spite of plenty of incidences where they were caught being affectionate in public, the pair initially denied their relationship and insisted they were just good friends.
(Badgley toldtogether until the CW show ended in late 2012, with a series finale that (spoiler alert) saw their fictional alter egos marry.
"We were consummately professional," Badgley said, acknowledging how difficult it was at times.
actor, 28, about his best and worst on-screen kisses. "On-screen kisses are not really that real." PHOTOS: The best Gossip Girl style from all six seasons The actor has kissed many leading ladies including his former girlfriend Lively and fellowove interest Emma Stone.
According to Badgley, his real-life romance with Lively made those steamy lip locks the most memorable.