Lady Gaga’s debut album The Fame, which was re-released as The Fame Monster in 2009, was named the best-selling album of 2010 with almost 6 million copies sold worldwide.

The Fame Monster 8-track EP has sold an additional 1 million copies, despite being released only in selected countries.

Check out the top 20 albums of 2010 inside…

1. Lady Gaga – The Fame (Monster) – 5.8 million copies

2. Eminem – Recovery – 5.7 million copies

3. Justin Bieber – My Worlds – 5.6 million copies

4. Lady Antebellum – Need You Now – 3.6 million copies

5. Taylor Swift – Speak Now – 3.5 million copies

6. Susan Boyle – The Gift – 3.0 million copies

7. Black Eyed Peas – The E.N.D. – 3.0 million copies

8. Michael Bublé – Crazy Love – 3.0 million copies

9. Sadé – Soldier Of Love – 2.3 million copies

10. Alicia Keys – The Element Of Freedom – 2.3 million copies

11. Katy Perry – Teenage Dream – 2.2 million copies

12. Take That – Progress – 2.2 million copies

13. Susan Boyle – I Dreamed A Dream – 2.1 million copies

14. Ke$ha – Animal – 2.1 million copies

15. Rihanna – Loud – 2.0 million copies

16. Mumford & Sons – Sigh No More – 1.8 million copies

17. Kings Of Leon – Come Around Sundown – 1.7 million copies

18. Bon Jovi – Greatest Hits – 1.7 million copies

19. Usher – Raymond V Raymond – 1.7 million copies

20. Linkin Park – A Thousand Suns – 1.7 million copies

via The Fame Monster Named Best-Selling Album of 2010.