What are some good romantic comedies?

I love movies like Killers, No Strings Attached, Valentine's day, 27 dresses, friends with benefits, Date Night, life as we know it, the proposal, what happens in vegas, when in rome, easy a, john tucker must die, the bounty hunter,13 going on 30, etc. any suggestions would be greatly appreciated! :) OH also, if they could be recent movies that would be great!!!