For the video from one of the better tracks from Calvin Harris18 Months, Calvin and Ellie Goulding play it up as boyfriend and girlfriend. Well, maybe they aren't playing. If this is all just acting, they are pretty comfortable with each other - there's a lot of kissing and cuddling going on in what feels like a free, found-footage type of piece.

RANKING THE COLLABORATIONS FROM CALVIN HARRIS' 18 MONTHS ALBUM