If you've got 'em, flaunt 'em.

Dr. Robert Rey hit the beach in Hawaii with his family and gave us a good look at his sculpted pecs and washboard abs.

The 50-year-old plastic surgeon-turned-reality star sure knows how to stay in shape!

The other day we caught up with Dr. Robert Rey as he lunched in Los Angeles, and as always, everyone's favorite plastic surgeon was polite and chatty with a group of female fans fawning over him. And we love the fact that he refuses to retire those sleeveless black scrubs - so hot!

But what's going on in that top picture?! It's not what you think...check out the video below to find out!

Dr. 90210 (aka Dr. Robert Rey) was spotted in his zip code with his lovely family over the weekend. We usually see the hunky plastic surgeon wearing wacky pinstripe suits, so you can imagine our surprise when we snapped him in this basic black number! Maybe his wife Hayley picked it out for him?