Well... that didn't take long!
According to PEOPLE Music, Davidson was even backstage at the Billboard Music Awards with his arm around Ariana.
Again, I must remind you IT HAS ONLY BEEN A WEEK SINCE AND MAC BROKE UP.
What has Mac been doing during this time? Well, over the weekend, he was arrested with a DUI, and damn near totaled his Mercedes G-Wagon.
Rough weekend for Mr. McCormick.
Do you think it's too much too fast for Ariana? Let me know! Answer my poll below!
WOMAN CRUSH WEDNESDAYS ARE BROUGHT TO YOU BY CHRISTOPHER'S FINE JEWELRY!