Adele declared Billboard's Top Artiste of 2011 , Lil Wayne is top Male

    Billboard has declared  British singer Adele No. 1 artist of 2011. Rihanna was No. 2, followed by Katy perry, Lady gaga and Lil Wayne respectively . The list, announced Friday, takes into account album sales, charting singles, radio airplay and other factors.

   Rounding out the list was Bruno Mars at No. 6, Nicki Minaj at No. 7, Taylor Swift at No. 8, Justin bieber at No. 9 and Chris brown at No. 10.

  Adele's album "21" was the best-selling of the year with 4.8 million sold. Following "21" on the list: Swift's "Speak Now," Gaga's "Born This Way," Jason Aldean's "My Kinda Party" and Susan Boyle's "The Gift."

    Adele was the top female artist. Lil Wayne was the top male.