'The Voice' judge Cee Lo Green charged with drugging woman
Cee Lo Green on July 27, 2013 in Beverly Hills, California. [AFP]

Grammy-winning US rapper Cee Lo Green has been charged with spiking a woman's drink with ecstasy before going back to her hotel, but not with attempted rape, prosecutors said Monday.

The musician and producer, a judge on U.S. talent show The Voice, "allegedly slipped ecstasy to a 33-year-old female while the two were dining at a downtown Los Angeles" restaurant, said the LA County's District Attorney's office.

"The two later went back to the woman?s hotel. Prosecutors declined to file a charge of rape of an intoxicated person, citing insufficient evidence," it added.

If convicted, Green faces up to four years in jail. The musician and rapper, whose real name is Thomas DeCarlo Callaway, is formally charged with one felony count of furnishing a controlled substance.

Prosecutors asked his bail to be set at $30,000.

The 39-year-old is perhaps best known for the 2006 worldwide hit "Crazy," by the duo Gnarls Barkley along with fellow musician Danger Mouse.

More recently he had a hit with the toe-tapping and expletive-heavy song known in its radio edit version as "Forget You," which he performed at the Grammys in 2011.

Green has won five Grammys, including two last year, for best traditional R and B performance and best R and B song for "Fool for You."

[Image via Agence France-Presse]