More than likely. Regardless of what some people on here will tell you, just because they can look like Brad Pitt and not take gear doesn't mean Brad Pitt has that kind of dedication about fitness and diet. I can guarantee you he doesn't.
He's also more than likely had cosmetic surgery.
Oh yeah, I think Arnold has taken some gear as well.
uhhh, check out "Fight Club" and you tell me. He was extremely thin, but cut as hell. Check out his abs. Way too skinny, spindly-arm syndrome, though. A guy his age (probably 32 at that time) has trouble staying THAT cut without juice, at least a little Winny. Especially, when you have millions of $ to spend on lobster tails and shrimp souflee (I probably spelled that wrong 'cause I can't afford it). If I had millions of dollars and looked like Brad Pitt, I think I would still be in the gym a lot, but also in Britney Spears a lot as well, which I am not at the moment.