"Riddle" is a song by En Vogue. It was released as the lead single from the group's fourth studio album Masterpiece Theater. "Riddle" was the first and last single from the album. The song became a Top 40 hit in a few countries, it gained more success in Belgium where it became a Top 20 hit. The radio version of "Riddle" was remixed by Stargate; the remix sample one of their biggest hits My Lovin' (You're Never Gonna Get It). The video received a lot of play, but the song didn't become a big hit. "Riddle" was the last single to feature Maxine Jones before she left to make more time for her family.
The band performed the single on The Rosie O'Donnell Show. The group also performed it for their 20th Anniversary, this time it featured all 4 original members rather than just Cindy, Terry & Maxine who did the original vocals.