The “Delusional” singer took to X on Thursday (Jan. 2) to crow about the fact that her debut single, “Tik Tok,” is back on top again. “It was 15 years ago that I got my first #1 song!

I jumped on the Tik Tok bandwagon pretty late, not gonna lie. For the longest time, I thought it was just teenagers doing dance moves. Boy, was I wrong! When I finally created a business account for ...