Cindy Crawford wishes she was “kinder” to her younger self. The American supermodel has marked her 56th birthday (20.02.22) with a poignant letter to “little Cindy” and documented the things she would tell her if she could. The mother-of-two – who has Presley, 22, and Kaia, 20, with husband Rande Gerber – admitted she could be hard on herself and she would advise young Cindy to not be “afraid to make a fool of herself” and “fake it until you make it”. She wrote on Instagram: “On the eve of another birthday, looking back at little Cindy and thinking about what I would tell her. “I would tell he…