Grey's Anatomy star Ellen Pompeo and husband Chris Ivery celebrated Tao Nightclub’s three year anniversary - and their own wedding anniversary, and Ellen's birthday - in The Venetian Hotel and Casino Resort on Saturday in Las Vegas, Nevada.

Also on hand where Amanda Bynes, Jenna Fischer (source of many funny Office quotes) director Darren Aronofsky, Robin Thicke, Stacy Keibler and Private Practice stars Taye Diggs and Kate Walsh, who came with husband Alex Young.

Here's a cute shot of Ellen and Kate:

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