who plays first lionel richie or mariah carey
All the Hits Tour (Lionel Richie and Mariah Carey) The All the Hits Tour was an ongoing concert tour by American singer-songwriter Lionel Richie with special guest Mariah Carey as the opening act. [1] The tour was scheduled to begin on March 15, 2017, at the Royal Farms Arena in Baltimore.[2][3][4] The tour was delayed due to Richie's longer than expected recovery from a knee procedure and began in summer 2017.[5]