John Legend and Kelly Clarkson, onstage during the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. Ethan Miller/Getty Images hide caption

Kelly Clarkson
Kelly Clarkson performs during the KISS 108 FM Jingle Ball in Lowell, Mass. in 2004 — the year her second album, Breakaway, cemented her status as a pop superstar. Marc Andrew Deley/FilmMagic/Getty Images hide caption
Esperanza Spalding C Brandon/Redferns via Getty Images hide caption
NPR Music's best 100 songs of 2017. (Clockwise from upper left) Goldlink, Margo Price, IBEYI, Jason Isbell and The 400 Unit, Tyler The Creator, Big Thief, SZA and Sharon Jones. Courtesy of the artists hide caption
The Hamilton Mixtape, out Dec. 2, features covers and remixes of songs from the Grammy-winning musical. Theo Wargo/Getty Images hide caption
Kelly Clarkson performs during an American Idol broadcast in 2002. Kevin Winter/Getty Images hide caption
Kelly Clarkson's new holiday album is titled Wrapped in Red. Courtesy of the artist hide caption
Ryan Tedder performs with OneRepublic in 2011. Doug Pensinger/Getty Images hide caption
Kelly Clarkson's new album is Stronger. Harper Smith/Courtesy of the artist hide caption
The fictional band from This Is Spinal Tap plays a real-life concert in 1984. Nigel Tufnel, the guitarist played by Christopher Guest, favored amplifiers whose volume could be cranked up to 11. Ebet Roberts/Redferns hide caption
These Go To 11: Songs Best Heard Extra-Loud
Jennifer Lopez onstage at Mohegan Sun on Oct. 22 — unfortunately without her ex-lookalikes.
Marc Andrew Deley/FilmMagic/Getty Images hide captionMarina Diamandis of Marina and The Diamonds performs live at the Reading Festival on August 27, 2010 in Reading, England. Simone Joyner/Getty Images hide caption
MC Lyte inspired Tell Me More producer Jamila Bey to pick up the mic as MC Me. Getty Images hide caption
Lilith Fair founder Sarah McLachlan at a performance in New York's Central Park earlier this summer. Jemal Countess/Getty Images hide caption