The cast includes returning members Brandi Glanville, Vicki Gunvalson, Eva Marcille, and Phaedra Parks.
Newcomers to the cast include Camille Grammer Meyer, Caroline Manzo, Alex McCord, and Gretchen Rossi.
Season three of Ultimate Girls Trip will take place in Thailand and will air on Peacock in the spring.
It will feature cast members from several Real Housewives franchises.
A premiere date for season four has not yet been announced, but seasons one and two are available to stream on Peacock.