Rumer Willis dines with 3 'DWTS' castmates

Rumer Willis is still riding high after winning “Dancing With the Stars.”

The champ dined with castmates Artem Chigvintsev, Serge Onik and Henry Byalikov at STK Midtown in Manhattan on Thursday.

A casual-looking Willis wore a white T-shirt and hat and drank rye on the rocks before her group had a round of shots.

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“She joked that maybe it would make her dance better,” says a witness.

The 26-year-old announced her participation in the upcoming “Dancing With the Stars: Live!” show last week.

This article originally appeared in The New York Post.