ET Vault Unlocked: Jennifer Lopez! How she became a Hollywood triple threat. ET on the set of her films and behind-the-scenes of her music videos. Then, what you never knew about her showbiz start, Hollywood romances, and the ‘Bennifer’ rollercoaster. Plus, how she impressed Matthew McConaughey on the set of her first rom-com, “The Wedding Planner”. And, her tumultuous romance with Ben Affleck. Why they broke up again just two years after tying the knot. Plus, Jennifer’s style secrets. What you never knew about that famous green Grammy gown.