G-Eazy

From Gwen Stefani to Miley Cyrus and John Mayer, these pop stars have written breakup songs about other famous people.

Things seem to be getting serious...

From Halsey to Demi Lovato, see all the best Halloween costumes so far.

From spot-on tributes to legendary artists to hilarious couple costumes, these are our favorite celebrity Halloween costumes of 2018.

The pop star turned 24 over the weekend.