The actor, who split with his wife of six years, Heather McComb, last summer, made his relationship with Brook public at Wednesday night's bash for Summit on the Summit: Kilimanjaro, a January climb to raise awareness of the global clean water crisis.
After initially shying away from pictures, the two later posed and then "didn’t leave each others side all night,” says an onlooker. The couple have also been spotted this past month cozying up at L.A.’s Chateau Marmont for dinner.
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