WATCH: Katy Perry is Kathy Beth Terry for 'Last Friday Night'

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YouTube
Katy Perry who? Kathy Beth Terry is the star of Katy's new music video for "Last Friday Night (T.G.I.F.)".
"Kathy Beth Terry" (played by Katy, of course) is a headgear-wearing geek who stars in a new teaser for the video. Fans are asked to "Like" Kathy Beth Terry on Facebook and follow @KathyBethTerry on Twitter. On the Twitter page, Kathy Beth describes herself by writing, "I'm 13 and in the 8th grade. I like Sudoku puzzles, the solar system, high-school science fairs, Skip-It, Weenie Babies and LOVE JTT!"
Watch the teaser above; the full video is set to premiere on June 14.