Lea Michele, as Rachel Berry, covers a Katy Perry classic in this video. The song is courtesy of the episode "Silly Love Songs."
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It's Valentine's Day at William McKinley High School, and this means a lot of kissing is in store! Check out the official preview now for "Silly Love Songs."
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These snippets are all courtesy of the Glee episode "Silly Love Songs." It pays tribute to Valentine's Day.
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Glee Season 2 Episode 12 Quotes

I'll just marry an NFL player. They're super reliable.

Santana

I had a cat thrown at me in a nursing home once.

Kurt