Katy Perry - "Last Friday Night (T.G.I.F.)"
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Britney Spears - "Ooh La La"
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Christina Aguilera - "Let There Be Love"
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Ellie Goulding - "Under Control"
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Katy Perry - "Roar"
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Ke$ha - "C'Mon"
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Carly Rae Jepsen - "Turn Me Up"
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Taio Cruz - "Dynamite"
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Katy Perry - "Wide Awake"
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Rita Ora - "How We Do (Party)"
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Hyper Crush - "Kick Us Out"
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Fefe Dobson - "Thanks For Nothing"
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Leighton Meester - "Your Love's A Drug"
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Katy Perry - "Part Of Me"
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Kelly Clarkson - "Hello"
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Adam Lambert - "Cuckoo"
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Britney Spears - "Hold It Against Me"
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G.R.L. - "Vacation"
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Katy Perry - "California Gurls (ft. Snoop Dogg)"
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Yes, I know, there's a lot of Katy Perry on here, but the two are a winning pair. With so many big hits created together, how could I not include them all?
Bonnie McKee - "American Girl"
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I couldn't write this list and NOT include at least one song of her own, right?