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If Ashton Kutcher and Demi Moore are trying to avoid one another after announcing their split last November, they need to try harder!

The exes had another awkward run-in on Friday night at a star-studded CAA Foundation/GREY GOOSE pre-Golden Globes bash at SoHo House in West Hollywood.

Kutcher, 33, ran into Moore, 49, at the private party, multiple sources confirm to Us Weekly. But the former couple kept it brief, one insider says. "I saw him briefly say hi to her, but that was it. They spent most of the evening keeping a distance."

Although still noticeably "skinny," Margin Call star Moore "looked amazing," another source added. The former couple (whose sixth wedding anniversary in September was marred by Kutcher's fling with Sara Leal, 22, at a San Diego hotel) had plenty of VIP pals to distract them from one another. Other A-list attendees at the soiree included Cameron Diaz, Leonardo DiCaprio, P Diddy, Bradley Cooper (smoking an electronic cigarette), Kate Hudson (chatting with Robert Downey, Jr.) and Bill Maher.

Moore's pal for much of the night? Her longtime buddy and fellow Kabbalah enthusiast Madonna, whose ex-husband Sean Penn was also spotted at the bash.

Kutcher gabbed with Liz Merriwether, creator of FOX smash New Girl. He showed off a new look -- a clean-shaven face and a closer-cropped haircut at a TCA panel for Two and a Half Men on Wednesday.