AppId is over the quota AppId is over the quota What Happens When Hollywood and Country Collide The ACM Awards roll into Las Vegas this Sunday, bringing the biggest stars of country music to Sin City for the annual event. Taylor Swift, Keith Urban, and Carrie Underwood are among the nominees while Blake Shelton and Luke Bryan will host. The country music industry has long been in a category of its own, though there have been plenty of times when the Southern genre successfully crossed into pop territory. Hollywood stars are no strangers to this trend, pulling on their cowboys boots and showing off their singing chops in the name of country — scroll through to see what happens when Hollywood and country collide. Source: MCA Nashville They Make Really Catchy Music Like when Nelly and Tim McGraw got together for the track "Over and Over Again" in 2004. And Really Beautiful Movies Who can forget Ennis and Jack's heart-wrenching love story in 2005's Brokeback Mountain ?