The cast of 'Glee' will find themselves under the influence in this week's 'Blame It on the Alcohol' episode, and per usual, they will belt out the harmonies -- this time with a list of alcohol inspired songs from Kesha, Jamie Foxx, Amos Milburn and Human League.

Brittany gets another chance to shine in Season 2, Episode 14, following her show-stealing performance in last fall's ‘Britney/Brittany' episode. The blond cheerleader will take to the stage to perform Kesha's claim-to-fame club-hopping hit, 'Tik Tok' -- with New Directions as her back-up.

We're amped up for the music of 'Blame It on the Alcohol,' -- including 'Tik Tok' and Jamie Foxx and T-Pain's 'Blame It (On the Alcohol)' -- which will be available on iTunes Feb. 22.

Listen to 'Glee' Cast, 'Tik Tok'


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