Rihanna has overcome Lady Gaga to become the most popular woman on Facebook.
The California King Bed singer reached the milestone earlier this week, passing the 40 million mark on 11th July.
Rihanna has 40,564,950 Facebook fans, some 20,000 more than Lady Gaga’s 40,543,536.
Lady Gaga still has the comfort of being the most popular user on Twitter. According to Twitaholic, she has more than 11.6 million followers, followed by Justin Bieber who has 11 million. Rihanna is 13th on Twitter with a "mere" 6.1 million followers.