Four recording artists are guided by musician Fergie, as they vie to keep their place in the competition to become iHeartRadio's "On the Verge" artist.

Sean "Diddy" Combs arrives at the LA Premiere of "The Four: Battle For Stardom" at the CBS Radford Studio Center, May 30, 2018, in Los Angeles. (Willy Sanjuan/Invision/AP) Editor’s note ...