Zac Efron and Lily Collins star in Extremely Wicked, Shockingly Evil and Vile which is based on the serial killer, Ted Bundy. We chatted to Zac and Lily about dating apps and what it was like to research Ted Bundy.

Welcome to heatworld on youtube. heatworld covers everything and everyone you need to know about showbiz and entertainment. From breaking celebrity news to the latest (and funniest) stuff in the world of TV, film and music, the best celebrity videos and interviews, and the hottest famous looks to copy and drool over. Please stay a while and do help yourself to our freshly baked videos.

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