Today, rising pop powerhouse Maddie Zahm releases her new single “Eightball Girl,” a shimmering, summer-ready smash with a hook that won’t leave your head for days. “Eightball Girl” is the third single from Maddie’s highly-anticipated forthcoming debut album Now That I’ve Been Honest (October 20, Dollgirl Records/AWAL) which charts the past year of the rising pop star’s …