Mariah Carey is gearing up for her first live show since before giving birth to her adorable twins, Moroccan and Monroe.

The sexy songstress will be performing a free show on March 1 at New York's Gotham Hall as part of the Plot Your Escape concert. The concert will include four artists performing four different shows in various locations ... all in one night.

Mimi will be joined by Sean Combs in NYC, Maroon 5 will be performing in Chicago and Gavin DeGraw in New Orleans.

Carey hasn't hit the stage for a live show since 2010.