iTunes’ top selling singles and albums of the week ending March 7, 2011:

Singles:

1. “Born This Way,” Lady GaGa

2. “On the Floor (feat. Pitbull),” Jennifer Lopez

3. “Forget You,” Cee Lo

4. “S&M,” Rihanna

5. “Blow,” Ke$ha

6. “I Need a Doctor (feat. Eminem, Skylar Grey),” Dr. Dre

7. “F**kin’ Perfect,” P!nk

8. “E.T. (feat. Kanye West),” Katy Perry

9. “Rolling In the Deep,” Adele

10. “Till the World Ends,” Britney Spears

Albums:

1. “21,” Adele

2. “Late Nights & Early Mornings,” Marsha Ambrosius

3.”Sigh No More,” Mumford & Sons

4. “Spring Break 3... It’s a Shore Thing,” Luke Bryan

5. “Going Out In Style,” Dropkick Murphys

6. “Town Line,” Aaron Lewis