Rihanna has toppled Lady Gaga on Facebook but she is way behind on Twitter. She has 6,109,911 followers on Twitter while Gaga has 11,645,229 followers, which is the highest so far. Teen sensation Justin Bieber stands in the second position with 11,039,728 followers.
It may be recalled that Lady Gaga entered history by becoming the first singer to have over 10million followers on Facebook, even beating US President Barack Obama. But for now, Rihanna has overtaken Gaga!