Evan Rachel Wood Cozies Up to Shane West

Evan Rachel Wood Cozies Up to Shane West
Evan Rachel Wood and Shane West
Anthony/Pacific Coast News

06/08/2009 AT 03:00 PM EDT

Could romance be brewing for Evan Rachel Wood and her former Once and Again costar Shane West?

On Saturday, the 21-year-old actress stepped out with West to celebrate his 31st birthday at Bardot Hollywood – and the two hung close all evening. Arriving together, the stars were joined by a large group of friends for the party. While West would mingle with his guests, he doted on Wood – and even kissed her on the cheek and hand at the club. Wood, meanwhile, cheered as the Shy, the evening's musical entertainment, serenaded West with "Happy Birthday."

So, are the two dating?

"I think you can put two and two together," Wood told Hollyscoop at the Young Hollywood awards on Sunday. "I won't confirm or deny it but I don't think I have to."

Elaborating a bit, she told reporters at the award show, where she received the Young Hollywood Superstar award, "I have a celebrity crush on Shane West, of course. It was a great party."

The actress, who played West's little sister on ABC's Once and Again, when ended in 2002, most recently dated Marilyn Manson, and was linked to her Wrestler costar Mickey Rourke, but denied they were dating at the time. West most recently appeared on E.R.

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