'Showgirls' Star Gina Gershon -- KARAOKE JAM ... On Shots of Everclear

Gina Gershon's days as a showgirl ain't over -- because just last weekend, she took the stage at a pub in New Orleans ... and belted out some classic karaoke ... while under the influence of Everclear Jell-O shots.The "Showgirls" actress was at a…

Sarah Polley Sarah Shahi Sarah Silverman Sarah Wynter