<Tr> <Th_colspan="3"> Mariah Carey tour chronology </Th> </Tr> <Tr> <Td> The Sweet Sweet Fantasy Tour (2016) </Td> <Td> All the Hits Tour (2017) </Td> <Td> The Number Ones Tour (2018) </Td> </Tr> <P> 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 . The tour was scheduled to begin on March 15, 2017, at the Royal Farms Arena in Baltimore . The tour was delayed due to Richie's longer than expected recovery from a knee procedure and began in summer 2017 . </P> <P> Carey has stated that she would arrange her setlist differently each night for her fans who have seen her shows before . </P>

Who plays first lionel richie or mariah carey