TMZ reports that pop stars Ariana Grande and Mac Miller have called it quits after nearly two years of dating.
The two quietly ended things after their work schedules became too hectic, but they remain "the best of friends," the website reports.
As TMZ notes, Miller was "there for" Grande after the tragic bombing at her Manchester concert, and recently tweeted his admiration for his ex when she released "No Tears Left to Cry," her first single since the incident.