Naya Rivera is bringing the receipts on her relationship with Big Sean!

In her new memoir Sorry Not Sorry: Dreams, Mistakes and Growing Up, Naya dishes on her failed engagement to the rapper — and threw a serious jab at Ariana Grande.

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As if the former couple's heated Rolex debate wasn't messy enough, the Glee star revealed she found Ariana in her former beau's home before their walk down the aisle!

"Once, we'd been fighting for five days straight while he was traveling, and then on the one day that he was back in LA, he said he didn't want to see me," she began. "I was like, 'Well, asshole, I've got a key to your house, so I'm just going to come see you.'"

big sean ariana grande

"I walk in, go downstairs, and guess what little girl is sitting cross-legged on the couch listening to music?" she continued. "C'mon, people, I'm not going to tell you, but you can guess because it's not that hard! (it rhymes with 'Smariana Schmande,' if you're really have a hard time.)"

Naya and Big Sean called off their engagement in 2014 after rumors swirled of the rapper being unfaithful, to which he's completely denied. Ariana and Big Sean were an item shortly after the engagement was called off, but decided to go their separate ways after eight months of dating.