In a sense, Ariana Grand broke-up with Pete Davidson. Their break-up was preceded by the sudden death of her ex-boyfriend, Mac Miller, who was recently found dead at the age of twenty-six. He died from an accidental drug overdose. Ariana and Pete both mutually decided that it was not the right time for the relationship to take off.
The tragic and unexpected death of Mac Miller had a very profound effect on Ariana Grande. The two of them had a roller coaster romance during their relationship. Toward the end, they both thought they might be moving too fast. The death of Mac Miller was a big factor in their break-up.