Madonna & AC/DC To Perform At The Grammys, The Weeknd Arrested For Allegedly Punching A Cop + More On First Dibs

Garth Brooks outsells Elvis, Macklemore goes to Sesame Street, Lil Wayne details Cash Money beef in “Sh!t” remix and more on First Dibs.

• The lineup of performers for the 2015 Grammys include Madonna, AC/DC, Ariana Grande, Eric Church and Ed Sheeran. [TG]
• The Weeknd was arrested for allegedly punching a cop in the head Saturday night in Las Vegas during a hotel brawl. [TMZ]
• Garth Brooks beat out Elvis Presley as the best-selling solo album artist of all-time once Brooks’ Man Against Machine hit platinum. [RS]