Think pink, channel your Ken-ergy and strap on your skates my babies, we're in the full swing of a Barbie summer. Greta Gerwig's hotly anticipated "Barbie," movie premieres July 21 with Cancer queen Margot Robbie playing the titular role alongside Issa Rae, Kate McKinnon, Emerald Fennell, Will Farrell, Helen Mirren and Ryan Gosling as the hot, hapless, beach venerating, Ken.