Sara Bareilles will make her West End debut in Waitress.
She will star alongside Gavin Creel, who appeared in the show with her on Broadway.
Bareilles, who wrote the music and lyrics for the show, will play the part of Jenna from January 27 to March 7, 2020. Creel will reprise his Broadway performance as Dr Pomatter for the six-week run.
Lucie Jones and David Hunter will return to the roles on March 9.
The musical is booking until March 28 at the Adelphi theatre and is directed by Diane Paulus.
It is produced by American Repertory Theatre, Barry and Fran Weissler, Norton and Elayne Herrick, Alecia Parker, David I Berley, Feste Investments BV, Peter May, Evamere Entertainment, Tamar Climan, Michael Roiff, Ken Schur, 42nd. Club, Square 1 Theatrics, Jam Theatricals and Adam Blanshay Productions.