Sylvester Stallone has shared a rare family photo with his three glamorous daughters.The Hollywood actor, 75, took to Instagram earlier this week to post a picture of himself posing proudly alongside his children Sophia, 24, Sistine, 23, and Scarlet, 19. Writing a sweet caption, Sylvester joked for his three daughters to "stop growing so tall" as he protectively stood in the middle of the group.