Sheridan Smith
Holly and Phil's faces pretty much said it all.
The comedy legend marked the end of his career in an ITV special.
Elizabeth Hurley, Lorraine Kelly and Jourdan Dunn are among the stars to look out for.
The actor played Smithy’s sister Rudi in the BBC sitcom.
She has revealed she was rushed to hospital following the TV Baftas in 2016, after "seizuring five times".
The actress welcomed her “little man” into the world on Saturday.
As the BBC's lunchtime medical soap celebrates its 20th anniversary, we remember some of the famous faces who've dropped by the Riverside Health Centre.
James Corden, Ruth Jones, Matt Horne and Joanna Page are back, but have your other favourites made the cut?
The actress worried fans when she made the accusation on Twitter last month.
She played Smithy's sister Rudi in seven episodes of the hit sitcom.