Cameo Kings: R&B's 25 Best Featured Guests

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  • Sleepy Brown
  • Kelly Rowland
  • Usher
  • Cee-Lo
  • Chris Brown
  • Mariah Carey
  • T-Pain
  • Rihanna
  • Nate Dogg
  • R. Kelly
  • Mary J. Blige
  • Kelly Rowland, Justin Timberlake, John Legend
  • The Weeknd
  • Jeremih
  • Justin Timberlake
  • Charlie Wilson
  • Trey Songz
  • John Legend
  • Faith Evans
  • Akon
  • Frank Ocean
  • Miguel
  • Erykah Badu
  • Alicia Keys
  • Ne-Yo
  • Beyoncé

9. Usher

Usher's track record as a top-of-the-list featured artist includes Diddy's "I Need a Girl (Part One)," David Guetta's "Without You" and Alicia Keys' "If I Ain't Got You (Remix)."

(Photo: Kevin Winter/Getty Images)