Valderrama says he's done womanizing (AP)

NEW YORK - Wilmer Valderrama has a reputation as a ladies' man -- and what 28-year-old who's recently been linked romantically to Mandy Moore, Lindsay Lohan, and Ashlee Simpson wouldn't?

But all that's behind him now.

Currently, the former star of "That 70's Show" and "Fast Food Nation" says he's channeling his mojo into projects such as his new clothing line, Calavena, and several television projects that are in development.

"You want the media to focus on what you are creating. For me I had to go back to the drawing board to reformulate my priorities. I played enough, and decided, OK, now it's time to work," he said backstage at the G-Star show on Tuesday night (which he attended along with a gaggle of celebs, including Ryan Adams, Jaime King, and Heather Graham).

When it comes to the women he's left in his wake, Valderrama said he has only warm fuzzy feelings.

"If you loved the person once, you should be happy to see them again," he said. In his case, seeing them again may simply involve picking up the latest issue of Star magazine.

"I don't need to Google my ex's names to find out what they're up to," he said.

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Nick Rhodes poked a foot onto the plexiglass floor at a party for Justin Timberlake's William Rast line Tuesday night.

"I was just testing my vertigo," he said, peering down at the kitchen and bar below his feet.

The Duran Duran keyboardist and singer Simon LeBon were in New York to do publicity for their latest album, "Red Carpet Massacre." The group collaborated with Timberlake on two songs on the album.

"Justin's a friend," LeBon said. "It's the best experience I ever had working with another singer."

LeBon, after a break to whisper in "Top Chef" host Padma Lakshmi's ear, copped to his famous affinity for models.

"I like the girls," he said, "and the boys are pretty good-looking, too."

Timberlake was born in 1981, a year after Duran Duran got its start. Might that have made Rhodes, 45, a bit touchy on the subject of the band's longevity?

"U2 are older than us by a little bit," he said. Madonna's career started later, he added, but "she's a little older than me."

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What does "Lipstick Jungle" star Robert Buckley want to be when he grows up?

"Well, I'm working on my first solo album -- it's kind of country pop-rock," he said backstage at the G-Star show. "Just kidding! I can't even hold a tune."

Buckley admitted that despite his new role, he's new to the whole fashion scene. The Perry Ellis show last week was the first one he'd ever been to.

During the show, he had a mental debate about what sort of facial expressions he should make.

"Three models into the show I looked at the friend I was with and was like, 'This is a little weird, right? That we are just watching people come and go in circles?' I wasn't sure how to respond."

Halfway through the show, Dennis Hopper took the spotlight and read Rudyard Kipling's poem, "If."

How do you respond to that?

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British actor Alan Cumming showed up at the G-Star show with a full beard that he grew for his part in a new production of Anton Chekhov's "The Seagull" at the Classic Stage Company in Manhattan.

"I've been putting conditioner in it," he said. "It's finally past the scratchy phase."

If he could've gone another career route, he said, he might've become a gardener. At the moment, however, he's working on becoming something that's a little more complicated: American. By the end of this year, he hopes to have dual citizenship.

But he wouldn't mind, he said, if it were possible to simply become a citizen of New York -- not the entire country.

"I live here because I love New York. And I don't feel that New York is part of America. It's more like an island of the coast of America," he said. "When I go abroad with other people, I find that they are ashamed to admit they are American. It's a terrible thing to feel ashamed, especially about your nationality."

Nevertheless, he said he's looking forward to taking whatever citizenship exams get thrown his way. "I'll probably cram at the last minute," he said. The next step after that will be getting sworn in. "Which will be great," he said, "because I'm good at swearing."

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AP writer Lisa Tolin contributed to this report.