Kid Rock celebrated his 40th birthday in a big way by taking the stage in Detroit, Michigan in front of tens of thousands of fans on Saturday.
45,000 tickets sold out in 19 minutes for the special concert at Ford Field, according to The Associated Press. Rock was joined on stage by Sheryl Crow, Martina McBride, Joseph "Rev Run" Simmons of Run D.M.C. fame, Uncle Kracker and Anita Baker.
The concert, which lasted three hours, kicked off with the Beatles' "Birthday" song to commemorate the rocker's big age milestone.Rock, whose real name is Robert James Ritchie, officially turns 40 on January 17. Talk show hosts Conan O'Brien and Jay Leno appeared on two oversized video screens on either side of the stage in taped messages wishing the musician a happy birthday. O'Brien told Rock: "Happy 40th birthday ... and rock on Detroit!"