ARIANA GRANDE & PETE DAVIDSONMAC MILLER'S DEATH WAS BREAKING POINT
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10/15/2018 1:00 AM PDT
EXCLUSIVE
Ariana Grande and
Pete Davidson hit a life-changing fork in the road last month when
Mac Miller died -- and his death was the tipping point that led to their split ... TMZ has learned.
Sources close to AG and PD tell us ... Ariana was in an incredibly dark place following her ex-boyfriend's apparent fatal overdose. She didn't blame herself -- she feels she
did everything she could to get him sober -- but it left her an emotional wreck.
In the aftermath of
Mac's death, our sources say Ariana realized a couple of things -- she couldn't be fully invested in her relationship with Pete, and she had rushed into a looming marriage way too fast by
getting engaged.
TMZ broke the story ... Ariana and Pete
broke things off this weekend and called off their engagement.
She never signaled things were bad. In fact ... Ariana was at 'SNL' Saturday supporting Pete and nothing seemed amiss. Folks who were there say they looked all boo'd up, kissing and holding each other backstage. Something clearly snapped Sunday.
Neither have commented on the breakup.
Mac Miller's Death Was Breaking Point for Ariana Grande & Pete Davidson