This week on the Billboard Hot 100 singles chart Bruno Mars’ “Grenade” returns to the No. 1 spot. After being pushed to No. 2 last week by the now No. 6 “Hold It Against Me” from Britney Spears, “Grenade” holds the top spot for its third nonconsecutive week. Katy Perry’s “Firework” jumps up one place to No. 2. And Wiz Khalifa’s “Black and Yellow” also rises, moving up two places to No. 3.

Check out the rest of the top 10 after the jump.

Jan. 27, 2011′s Billboard hot 100 singles top 10

No. 1 – Bruno Mars, “Grenade”

No. 2 – Katy Perry, “Firework”

No. 3 – Wiz Khalifa, “Black and Yellow”

No. 4 – Enrique Iglesias, “Tonight (I’m Lovin’ You),”

No. 5 – Rihanna, “What’s My Name?”

No. 6 – Britney Spears, “Hold It Against Me”

No. 7 – Ke$ha – “We R Who We R”

No. 8 – Pink, “Raise Your Glass”

No. 9 – The Black Eyed Peas, “The Time (Dirty Bit)”

No. 10 – Pitbull, “Hey Baby (Drop It to the Floor)”

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