We spotted Amber Tamblyn roughhousing with her boyfriend, David Cross, at the Whitney Art Party last week hosted by BCBG Max Azria. So by the time we caught up with the actress, we wondered if she was using any cop skills she had learned from her detective role on the show The Unusuals on him. "I now know how to cuff my boyfriend," she told us. Well, that does count as a skill. View our Party Lines slideshow for more.