Trice was driving on the Lodge Freeway around 1:10 a.m. EST when shots were fired from a passing vehicle, Michigan State Police Sgt. Mario Gonzales told WJBK-TV, Detroit.

The wounded rap star exited the freeway in the Detroit suburb of Southfield, where his uninjured girlfriend flagged down police.

"He got shot in the head," Trice's manager Terry Wilson told AllHipHop.com. "He was driving his Range Rover on the Lodge Freeway, after leaving a Mike Epps after-party."

He was treated, then released late Saturday from an area hospital.

Police said they had no suspects.