Bailey will star as Mama Morton alongside former "Coronation Street" actress Hayley Tamaddon (Roxie Hart) and ex-"EastEnders" star John Partridge (Billy Flynn) on the tour, which will stop off at 17 planned locations, reported Digital Spy.
Bailey was recently dropped by Simon Cowell's record label Syco just 14 months after winning "The X Factor".
She has previously appeared with her own show in the West End.
Bailey she isn't the first "X Factor" winner to turn to musicals.
Matt Cardle has been appearing in "Memphis the Musical", Alexandra Burke has starred in "The Bodyguard", and Joe McElderry has been in a number of shows in the West End.