By Brad Wete
Updated December 09, 2010 at 06:09 PM EST

Katy Perry’s latest single, “Firework,” is this week’s No. 1 on the Billboard Hot 100 singles chart, moving up one spot. Following her summer anthem “California Gurls” and “Teenage Dream,” this is her third No. 1 single from her Teenage Dream album. Last week‘s chart-topper, Pink’s “Raise Your Glass,” swaps places with Perry. Meanwhile, Rihanna’s “What’s My Name?” moves back into the top three, hopping up two place to No. 3. Check out the full top 10 below.

Dec. 9, 2010′s Billboard Hot 100 singles top 10

No. 1 – Katy Perry, “Firework”

No. 2 – Pink, “Raise Your Glass”

No. 3 – Rihanna, “What’s My Name?”

No. 4 – The Black Eyed Peas, “The Time (Dirty Bit)”

No. 5 – Bruno Mars, “Grenade”

No. 6 – Rihanna, “Only Girl (In the World)”

No. 7 – Bruno Mars, “Just the Way You Are”

No. 8 – Ke$ha, “We R Who We R”

No. 9 – Nelly, “Just a Dream”

No. 10 – Trey Songz, “Bottoms Up”

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