Ariana Grande and Naya Rivera were never friends, but they did date the same man, Big Sean.
Rivera suggested there might have been overlap in their relationships with Big Sean, implying that Grande was involved with him while he was still in a relationship.
This controversy arose over a decade ago, when Big Sean and Grande had a short-lived relationship.
Ariana Grande has a reputation for showing interest in already attached men.
Author's summary: Ariana Grande's past relationships are under scrutiny again.