LuckyChap, the producing team Margot Robbie, Tom Ackerley and Josey McNamara behind Barbie and Saltburn will team with multiple-Tony-winning Broadway producing veterans Sue Wagner and John Johnson (Stereophonic, Lempicka) to present a world premiere stage musical next fall from Marla Mindelle, the co-author and original star of the Off Broadway hit musical-comedy Titaníque.