Cardi B fans were left disappointed last summer when the 'Bodak Yellow' hit-maker had to pull out of Longitude.
At the time, Cardi had just given birth to her daughter, Culture.
Cardi has been announced as the final headliner for the three day festival at Marlay Park, with twelve other new acts revealed today.
With 157 days to go, Cardi B, Anne Marie, Vince Staples, Gunna and other join the already high-profile line-up of the likes of Chance the Rapper, ASAP Rocky, Future, Ray Sremmurd and Juice Wrld.
Check out the full line up here.