Actually already grown up (no pun intended), but not quite there yet, if you take our three leads. This is very silly and if you are in the right mood, you might be able to enjoy this more (if not then even less than my vote suggests). Kudos for going all out on the nudity front (or not, if you don't want that in your movies). But that is not the most important part of the story. Even if the storyline involves a "sexy time" plot point (we know where it is going).

There doesn't seem to be too much redemption or re-thinking. The reward (sticking up - again no pun intended) towards the end seems not really justified. If you think in movie terms that is. Because the movie does not really care (for better or worse). There are some outtakes during the end credits