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| Rihanna had the most listened to song on Facebook with We Found Love |
Rihanna has topped a list of the most popular music artists on Facebook during 2011.
The singer beat Avril Lavigne into third place with a page for reggae singer Bob Marley coming second in a rundown of the fastest-growing pages and most shared media of the year.
Rihanna, 23, also had the most listened to song with We Found Love, her number one single featuring Calvin Harris.
Megan Fox was most popular actress with David Beckham fifth in the sports list.
Elsewhere, the death of Osama Bin Laden was the top global topic on the
