"Guys used to be very into my butt," said Desiree Vega. "They don't notice it anymore. They're pretty focused on my breasts at this point."

In fact, we're fully aware and full of admiration for Desiree's butt too. There are a bunch of hands-off ass shots in this photo shoot plus a through-the-legs shot that's a classic pose in big-bust modeling. The California blonde has a fantastic caboose. "I wear tight stretch pants, but not shorts where my ass is hanging out. I wear fitted clothes."

Is Desiree an exhibitionist? Does she get a thrill showing off in her birthday suit? "Maybe a little bit. I've been to a topless beach in Vegas. Topless spa. Indoors. It was in the Monte Carlo hotel. I don't mind taking my clothes off for cameras."

Holding that wine bottle between her big tits without holding it with her hands is very impressive.

What's Desiree's dating life like?

"I'm not a swinger. Never even tried it. Dating, I'm a one-guy kind of girl. I'm pretty loyal. Once I'm with a guy,…