Britney Spears has proven to be the most popular artist of the year in Billboard's 2011 Readers' Poll with nods in 7 categories. 

The superstar was named Billboard's MVP with 43% of the vote, beating modern pop icon Lady Gaga and British songstress Adele to the title. In addition to this, Spears also featured in the categories of Favourite Hot 100 No.1, Favourite Billboard 200 No.1 and Most Overrated. 

The 'Till The World Ends' hitmaker even came out on top in the Best Awards Show Performance, Best Music Video and Best Tour categories. Adele was successful in the poll too and was included in the MVP, Favourite Hot 100 No.1, Favourite Billboard 200 No.1 and Best Awards Show Performance sets. 

Lady Gaga was crowned the star with the Best Fashion and was also recognised in the Most Overrated, Best Music Video and Favourite Billboard 2011 No.1 groups. The full list of winners is available on Billboard.com.