By Alisandra Puliti The couple, who have been together for seven years, had so much fun in front of the camera that they didn’t just stop at one turn. Camille Kostek may be the host of NBC’s Dancing with Myself, but it looks like the 30-year-old has a dance partner in boyfriend Rob Gronkowski. The Sports Illustrated Swimsuit model, who returned for her fifth issue, along with her NFL tight-end cutie showed off their moves for the glam cam at the SI Swimsuit launch party that took place Friday night in Hollywood, Fla. The couple, who have been together for seven years, had so much fun in front …