Socialite PARIS HILTON rushed to the aid of a performer left injured when the crowd rushed the stage at a Miami, Florida nightclub on Saturday (08Dec07).The hotel heiress was enjoying a performance of Beacher's Comedy Madhouse during a night out at the Cameo nightclub when the incident took place.Hilton nursed entertainer Robin Sherwood, who was wearing a Charlie And The Chocolate Factory-inspired Oompa-Loompa costume, until an ambulance arrived to treat his badly cut leg.Coincidentally, Hilton is friends with Sherwood. The pair knows each other because Sherwood needs a kidney transplant and Hilton is supporting a foundation to facilitate the operation.The event's booking agent, Mike Heller, tells website People.com, "I was with Paris. Paris stayed back at the event when she heard that he was injured, to make sure he was OK."She was very concerned with his health. She didn't leave until she knew that he was OK."