Popsugar Celebrity Celebrity Couples CW Costars in Relationships | Pictures 25 CW Costars Who Hooked Up in Real Life October 3, 2015 by Nick Maslow View On One Page Photo 9 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Sophia Bush and Austin Nichols Show: One Tree Hill Nature of relationship: On-again, off-again boyfriend and girlfriend Time together: Sometime after her split from Chad until 2012 In their own words: In 2014, Sophia admitted that Austin was the best onscreen kisser, so there can't be too much resentment on her end. Previous Next Start Slideshow Nina DobrevBlake LivelyIan SomerhalderChris PrattCelebrity CouplesCelebrity PDACelebrity Breakups