The Part Of Me singer has swiped Gaga's crown after amassing 39.9million followers, with Lady G falling behind with almost 39.3million.
However, the girls still have a long way to go when it comes to catching Twitter king Justin Bieber
, who recently became the first person to reach over 40million followers.
The teen heartthrob currently has 42.3million followers to date.
The star is expected to kick-start her account again once the campaign for her new album ARTPOP begins.