Near the beginning of the film we see a man's buttocks from a distance.
Multiple scenes with topless females in a strip club.
A scene where a female is performing oral sex on a man - nothing graphic is shown (just the backside of the girl and she is wearing a g-string).
Jessica Biel has 3 total scenes with nudity (no full frontal). 2 of them have topless shots in it and the 3rd scene is her bare backside (her buttocks are shown as well as the buttocks of the man who is with her).