Glee star Naya Rivera’s younger sister Nickayla Rivera has shared a very emotional tribute to her the late actress.The star, who had played Santana Lopez on the hit show, was found dead this month after she went missing during a boat trip with her four-year-old son Josey in Lake Piru, California. Heartbroken Nickayla shared a sweet snap of herself kissing her sister on the cheek to Instagram, and beneath it penned an open letter to Naya.