Washington, Dec 9 : Adele has topped the iTunes albums and singles chart for 2011.

The online download website has named the British singer's album 21 as its bestseller and her `Rolling in the Deep' as the best selling song.

Folk act Mumford and Sons' has been named as second among the best selling albums with `Sigh No More', while the deluxe edition of Lil Wayne's `Tha Carter IV' has come third.

LMFAO''s Party Rock Anthem is the number two top selling song, followed by Katy Perry's Firework.

Meanwhile, The Social Network was the most-downloaded movie of the year at iTunes and Walter Isaacson''s Steve Jobs biography became the best selling book. (ANI)