Rihanna tries on watches and bracelets as she shops at Cartier with her entourage, which includes Jay Brown, a producer on her Roc Nation record label

*Forbes has released its list of social networking superstars, using a formula that simply adds a star’s Twitter followers to his or her Facebook fans.

[SUBSCRIBE TO EURWEB’s RSS FEED]

According to the list, Rihanna comes out on top with 23.8 million Twitter followers and 59.6 million Facebook fans. She edges out Lady Gaga, who ranks No. 2 with 28 million Twitter followers and 53 million Facebook fans.

Of the 10 on the list, most are musicians, with the magazine theorizing that music stars adopted social media platforms earlier than their film and TV counterparts. Selena Gomez (No. 10) is the only actress on the list, and Portuguese soccer player Cristiano Ronaldo (No. 7) is only athlete to be crowned a social networking superstar.

Here are the top five:

1. Rihanna (23.8 million Twitter followers and 59.6 million Facebook fans

2. Lady Gaga (28 million Twitter followers and 53 million Facebook fans

3. Eminem (11.9 million Twitter followers and 60.3 million Facebook fans)

4. Justin Bieber (26 million Twitter followers and 45.8 million Facebook fans)

5. Katy Perry (24.5 million Twitter followers and 45.7 million Facebook fans)

The complete list can be found at Forbes.