From ComicBookResources after speaking with McG in a recent interview.

And finally will the topless Moon Bloodgood scene make it to the DVD/Blu Ray release? McG states maybe. Not to distract from the sci fi feel of the film the Moon Bloodgood scene was cut, McG goes on to say “it felt more like a gratuitous moment of a girl taking her top off in an action picture, and I didn’t want that to convolute the story or the characters.”

You might recall Moon did film a topless scene for the film to which she commented “It’s not like we’re trying to be shallow, it’s like who cares? I fight so much against nudity, but I’m a woman, I have boobs, it’s a beautiful shot. It wasn’t at all gratuitous. I’m not afraid to say ‘no.’ I would have said, ‘No, I’m not doing it,’ and I’ve done that, but it was beautiful. Did you ever just want to get naked and connect to someone? Imagine the world is coming to an end and you just want to connect with someone and you’re like, ‘I don’t care.’”