Charts: Bruno Mars scores second no. 1 & Swift continues to sell

Billboard Hot 100

1. Bruno Mars - Grenade


'Grenade' switch places with former no. 1, Firework making Mars the sixth solo male to send his first two radio singles as a lead act to No. 1. Mars first topped the Hot 100 as a lead artist with "Just the Way You Are" for four weeks in October. The song also sells 559,000 downloads this week making it the third biggest sales week for a digital song in history.

2. Katy Perry - Firework


Though "Grenade" takes out Katy Perry's "Firework" on the Hot 100, the latter combustible composition shoots 2-1 on Pop Songs. "Firework" is the fifth No. 1 on the Nielsen BDS-based mainstream top 40 radio airplay chart for Perry. She banked two leaders from "One of the Boys": "Hot N Cold" (three weeks, 2008) and "Waking Up in Vegas" (two, 2009). "Firework" is the third No. 1 from her follow-up, "Teenage Dream," following "California Gurls," featuring Snoop Dogg (seven weeks), and the title cut (four). The song also sells  509,000 downloads this week making it the fourth biggest sales week for a digital song in history.

3. Ke$ha - We R Who We R


The song rises two spots from last week, staying stationary in both Pop & Radio Songs Chart.

4. Rihanna - What's My Name


The song dropped one position from last week but managed to debut at Adult Pop Songs (No. 38), climbing one spot on Pop Songs (no. 7) and stay at top on Radio Songs.

5. P!nk - Raise Your Glass


Raise Your Glass drop one spot from last week after being knock down by Perry based on Radio.

Billboard 200

1. Taylor Swift - Speak Now


As forecasted, Taylor Swift's "Speak Now" continues to reign on the albums tally with 276,000 according to Nielsen SoundScan. The album is also the fifth worldwide best selling album of 2010 with total sales of 3.5 millions.

2. Susan Boyle - The Gift


"The Gift" stands still at No. 2, with 240,000 (down 6%). The album is the sixth worldwide best selling album of 2010 with total sales of 3 millions.

3. Glee Cast - The Christmas Album


Still in the christmas spirit, The "Glee" Christmas album rises two rungs to No. 3 (160,000; up 1%).

4. Jackie Evancho - O Holy Night


"O Holy Night" is steady at No. 4 (151,000; down 21%).

5. Michael Jackson - Michael


Beaten by last minutes Christmas sales, "Michael" slips two to No. 5 (150,000; down 34%).

[I Don't Mind Being Thanks]