This is partner content. In this Billboard News segment presented by Cheetos, we explore the unexpected artist pairings that surprised us in the best way, from bold, creative risks to viral cultural moments including Megan Thee Stallion x Nickelback’s “Pickle’s Back.” Tetris Kelly: Some pairings just work, even when you least expect it, from genre-bending duets to moments like the “Pickle’s Back” video with Megan Thee Stallion and Nickelback. Unexpected match-ups have a way of sticking with us. Today, we’re revisiting the collaborations that surprised us and somehow became instant favorites, presented by Cheetos.  Lady Gaga: All I ever want to do is make something that that you press play and you feel good for the duration of the record.  Tetris Kelly: Bruno Mars and Lady Gaga’s unexpected collab, “Die With a Smile” became an inescapable Hot 100 hit, so much so that Gaga brought it to the Super Bowl. And some of our favorite surprises come from country and hip-hop, like this classic.…