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Ricki Lake is proving to be a real trooper after continuing with dance rehearsals despite suffering a painful injury.

The Dancing With The Stars diva, who was seen limping after twisting her ankle while practicing, still managed to keep a grin on her face. Producers for the show weren't taking any chances ... and called an ambulance.

Ricki refused to go to the hospital. Go Ricki, go Ricki!

We're told her professional partner Derek Hough was extremely concerned following the incident. What a guy!

Will Ricki's injury be included on the premiere episode? We wouldn't put it past the show's producers.