The show, 'Mariah Carey 1s', will be launched on May 6, and then run till May 26th.
"I'm going to do my first ever residency in Vegas at Caesar's. This is a special event for me," she said on on 'The Ellen Degeneres Show'.
Carey, 44, is booked to fill in for Celine Dion, who has put her own show on hold to care for her ill husband, Rene Angelil.
The show will also serve as companion to the mother of two's upcoming compilation album.