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Happy Birthday Katy Perry: Singer Turns 27 (PHOTOS)

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Happy Birthday, Katy Perry!

The colorful songstress turns 27 on October 25, and she really has come a long way since her breakout song, "I Kissed A Girl," hit the charts in 2008.

Perry -- born Katheryn Elizabeth Hudson -- has since racked up several Grammy nominations, wed actor Russell Brand and has toured the world singing hits such as "Hot n Cold, " "California Gurls," "Teenage Dream," and "Firework."

Now that she's 27, we thought we'd celebrate the singer's big day with a trip down memory lane. Check out some photos of Perry below and for more Katy Perry flashback photos, head over to

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