"Glee" star Kevin McHale attempts to win Katy Perry's heart in her new music video, "Last Friday Night (TGIF)."
Cewebrity Rebecca Black also makes a cameo in the video, playing Fairy Godmother to the songstress by assisting in her one-night transformation from an unattractive nerd to a voluptuous babe.
"Last Friday Night (TGIF)" is just one of the many club-banging singles featured on Katy's album Teenage Dream, in stores now.
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From Heidi Klum and Seal to Ryan Sweeting and Kaley Cuoco, see which stars got tattoos for love.
Check out Zoe Saldana and husband Marco Perego's cutest family moments!
From the once seemingly aloof bachelor to the now ever-adoring husband, check out George Clooney's transformation.
Katy Perry, Rosie Huntington-Whiteley, and Lady Gaga all get an F on this week's Fashion Offenders
Chrissy Teigen cries over cheese, plus more of her funniest Instagram moments.
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