Emma Watson, Dave Letterman Emma Watson, Dave Letterman

Emma Watson felt the heat of David Letterman's hot seat Monday night when the host repeatedly grilled her about her alcohol use during her appearance on Late Show. In this clip, Watson attempts to squirm her way out of a discussion stemming from her Harry Potter co-star Daniel Radcliffe's recent admission that he's battled with alcohol abuse. She finally admits, "I got very, very drunk once in my life as everyone does." Butterbeer is killer stuff.

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Watch the highly uncomfortable discussion: