Batman Poison Ivy
Emma Roberts would be excellent as Poison Ivy in a future Batman movie. Her acting talents would allow her to play the character well. Emma has proven through her roles in films and TV shows like Scream 4 and American Horror Story that she can be both psychotically evil yet charmingly seductive, which is required for the female villain. Also, Emma has the looks that would make her believable in the dual role of the plain-looking Pamela Isley and her sexy alter ego Poison Ivy as seen in these examples:
Plain-looking Emma: http://images.techtimes.com/data/images/full/22765/american-horror-sto ry-freak-show-airs-on-wednesday-night-at-10-pm-et-on-fx.gif?w=600
Sexy Emma: http://images2.wikia.nocookie.net/__cb20130713205902/fetishfuel/images /4/4a/Emma_roberts_bikini_cute_candid_teen_photoshoot_girl_hot_sexy_ph oto_94.jpg
In all, she definitely would be one of my top picks for Poison Ivy!