Jersey Shore's Vinny hosts hottie contest. No grenades need apply.

“Jersey Shore” fans know that GTL stands for gym, tan, laundry, but Friday night castmate Vinny Guadagnino will host a “Gym, Tan, Leopard” contest at Field House (1150 Filbert) for the girls with the best body, tan and sexiest leopard outfit. General admission tickets are $20 and a limited number of VIP passes, which include a meet and greet with Vinny and an hour open bar from 9 to 10, are $50, available Wednesday here....In other “Jersey Shore” appearance news, Ronnie Ortiz-Magro, one half of The Most Annoying Couple To Ever Appear on Television, hosts a March 12 party at the Dusk nightclub at Caesars Atlantic City.