Audrina Patridge is spilling the tea on dating Chris Pine.The star guest co-hosted Wednesday's Entertainment Tonight, where she shared more insight about her fling with the star.«It wasn't really a secret,» she told ET's Lauren Zima. «They said 'A Partridge in a Pine Tree' was the headline and this was way back…Right when I did, that movie with Rumer [Willis] and Briana [Evigan].