Here’s a tasty bit of fashion nostalgia — see fashion legends Bob Mackie, Halston, Geoffrey Beene and Gloria Vanderbilt all guest-starring on the same episode of Love Boat (video shows the cringe-tastic opening credits). Can you imagine Marc Jacobs, Micheal Kors, Diane Von Furstenberg and Alexander Wang all guesting on an episode of  One Tree Hill? Unimaginable!