The Detroit rapper promotes his new album, which drops Tuesday, on SNL's latest episode.

Eminem's two-song gig on "Saturday Night Live" didn't clear the keep-it-real bar for some viewers, who call him out for the type of not-live phoniness that shamed Milli Vanilli in 1989.

"I feel like Eminem is so talented I don't see why he needed to lip sync tonight," tweets Casey Craiger. "It was very fake as well." 

Federal lobbyist Brian Sowa, president and CEO of Keystone Public Affairs in Washington, D.C., posts: "Love Eminem, but worst lip sync performance ever on #SNL."  

See for yourself by watching or re-watching videos below of last night's performances of "Berzerk" and "Survival." (Alas, the pair we reposted were yanked as unauthorized.)

Here's a sampling from other critics: