Mariah Carey's Daughter Monroe, 11, Has Grown Up So Much In Fashion Show Video She's 'Fighting' With Her Moroccan Brother

See the gallery

Mariah Carey's twins are a step away from the old block, as they showed up ready for their close-up in the singer's latest Instagram post! 11-year-old siblings Monroe and Moroccan, who the Grammy winner shares with ex Nick Cannon, were featured in a hilarious video where they staged a fashion show complete with wardrobe changes, poses, flashing camera lights, adoring fans, and a punchy soundtrack (featuring Mariah's own ditty "Fantasy"). At the end of the video, Monroe and Moroccan engage in a fake fight on the catwalk, prompting their mother to caption it: "No children were harmed in the making of this video."