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"It looks like Katy Perry is the latest celeb to jump on the hilarious-music-videos-about-how-awesome-Friday-is bandwagon! Her newest video, &amp;quot;Last Friday Night (T.G.I.F)&amp;quot;, tells an elaborate story about a nerdy girl who gets a little crazy at the cool girl&amp;#039;s (played by the Queen of Friday herself, Rebecca Black!) house party. The video has an number of celeb cameos, including Glee hotties Darren Criss and Kevin McHale! You can check it out here:      Who was your favorite surprise guest in Katy&amp;#039;s (or, should we say, Kathy&amp;#039;s) wild night? Sound off in the comments! "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.seventeen.com/celebrity/a14039/katy-perry-last-friday-night/>