The two will team up for the second leg of Kels' Lost Americana Tour, and they have a joint album on the way. mgk and Wiz Khalifa in the "Girl Next Door" video. mgk and Wiz Khalifa/YouTube Trending on Billboard Move over, 2016: It’s starting to feel like 2011 again. Mgk (formerly Machine Gun Kelly) and Wiz Khalifa joined forces for “Girl Next Door” on Tuesday (May 12), which marks the superstars’ first collaboration since 2013. Explore See latest videos, charts and news The Cleveland native and Taylor Gang honcho pack on the nostalgia of the early 2010s Blog Era and released a playfully hilarious music video to accompany the dreamy single, which plays out a bit differently than the 2004 cult classic The Girl Next Door . Wiz and mgk are roommates and find a pair of girls who are moving in next door. They develop a game plan to impress them, showing off their workout routines and how they can handle yard work responsibilities such as mowing the lawn and gardening.…