Lucie Jones and Ashley Roberts are to join the cast of Waitress in the West End.
Jones will replace Katherine McPhee in the lead role of Jenna, with Roberts joining the cast as Dawn.
Both take over from June 17, with Roberts playing a limited summer season in the production, after which Laura Baldwin will return to the role of Dawn.
Jones performed in the show for several performances last week, ahead of her officially joining the production in June.
Waitress opened at the Adelphi Theatre on March 7, and is currently running until October 19.
The show has music and lyrics by Sara Bareilles and a book by Jessie Nelson. It is directed by Diane Paulus and choreographed by Lorin Latarro.
Continuing cast members including Marisha Wallace, Peter Hannah, David Hunter and Shaun Prendergast.