The singer will play five stadium and arena shows as part of a massive world tour set to take place next year
Rihanna overtakes Gaga
Rihanna's overtaken Lady Gaga to become the new Queen of Facebook.
According to social media statisticians Famecount, the singer has 40 million fans on the site.
Only Eminem is ahead of her - with three million more.
But Rihanna's fanbase is growing faster on the social networking site.
1. Eminem - 43m
2. Rihanna - 40.56m
3. Lady Gaga - 40.54m
4. Michael Jackson - 38m
5. Shakira - 36.9m
6. Justin Bieber - 32.9m
7. Linkin Park - 32.3m
8. Katy Perry - 31.8m
9. Lil Wayne - 28.9m
10. Bob Marley - 28.5m
Kate Middleton dazzles at St Andrews University, and Skyfall star Javier Bardem is given a star on the Hollywood Walk of Fame
Rihanna and Katy Perry are up for several awards at the 2012 music ceremony
Bajan beauty Rihanna will reportedly release a new album and single in the coming months.