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Talk about good genes!

When Bo Derek joined her longtime boyfriend John Corbett on the red carpet at the premiere of "My Big Fat Greek Wedding 2," she looked more youthful than some of the famous people surrounding her.

Bo, for the record, is 59 years old! 59! Talk about aging well.

Perhaps we shouldn't be all that surprised as she was once a supermodel.

Last May, Bo talked to CBS about getting older.

"Aging is really hard, and it's tough," she said. "Bette Davis was right, it's not for sissies, it really isn't."

"And there is a certain expectation. I get credit on one hand for not having had a facelift and then on the other hand it's, 'Oh my God, why doesn't she do something?'" Bo said. "So you're just torn. I just have to keep busy, have other interests, and try not to think about it."

The nearly six-decade old stunner supported her man on March 15 at his movie premiere. However, if you think that he's planning on putting a ring on it anytime soon, you're sorely mistaken.

When a reporter asked him if marriage or children were in his future, John, who has openly been against both in the past, said no. He was then told that Hugh Grant, once an eternal bachelor, became a father at 49 and now he has three kids.

"I have stronger will power than Hugh Grant," John, 54, said.

Bo seems fully onboard with his feelings, although she was married once before.

The two are fiercely loyal to each other and he once told Wonderwall.com how to be faithful to your partner. "Don't let the lizard out of the cage," he said in giving advice to those in Hollywood with a wandering eye.

Last year, the couple told the Today show they met via John's pal, who only introduced them because he was having a party and John didn't have a date.

"I said, 'I'm not dating anyone,' and he said, 'I'll get you a date, Corbett!' And he set me up with Bo," John said. "I was very intimidated!"

For Bo, who "hadn't dated in five years," the attraction was immediate. She said she liked him "instantly ... I kept saying to my friends, 'I'll wait until all the sparks and all that get going.' And it finally happened."