Lady Gaga is the most popular person on Twitter. She has racked up 20 million followers and is the first Twitter user to hit that number.
Lady Gaga has not yet posted any tweets to mark her top Twitter reign. How far behind is Bieber? Katy Perry? Find out after the jump.
- Justin Bieber has 18.1 million followers
- Katy Perry has 15.7 million
- Shakira has 14.7 million
- Rihanna has 14.5 million
