By Ayeesha Walsh Beverly Hills 90210 star Jennie Garth impressed her fans as she put on a leggy display in her latest Instagram photo. The popular TV star took to her social media as she enjoyed a relaxing spa break and made the most of an empty locker room as she stretched out on the comfy seating in the middle of the facility. Jennie, 51, who played Kelly Taylor in the hit TV series spread her arms out to her sides as she looked at the camera from the laying down position. She wore a white fluffy robe and flip flops letting the robe fall to one side to show off her long toned tanned legs. Sh…