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Big Sean and Ariana Grande continue to set off romance rumors.

One day after holding hands with his “Best Mistake” collaborator Grande backstage, Sean praised her on Instagram, posting her My Everything album cover.

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“Ari’s #1 in 80 countries! So great when good things happen to good people. I’m more than proud of you @arianagrande n grateful to be apart of it!” he wrote.

Grande and Sean were first linked romantically earlier this month, following her split from Jai Brooks.

Photo: Getty Images