3. Dr. Pamela Isley / Poison Ivy (Uma Thurman) in 'Batman & Robin' (1997)

After extra-mousy plant researcher Pamela Isley is done in by a fellow mad scientist's toxins, she trades in those latex gloves for a skin-tight latex suit. We never knew being poisoned to death was so beneficial for your skin and hair. Snake venom makeovers for everyone!