Downton Abbey star Hugh Bonneville hosts two charity fundraisers at the Royal Albert Hall this Sunday to raise money for leukaemia and lymphoma research.
Bonneville is taking a day off from filming series three of the hit TV drama to preside over the Night of 1000 Voices spectacular.
He'll be joined by a host of West End musical stars including Bonnie Langford, Kerry Ellis and Clive Rowe as well as the City of London Philharmonic orchestra.
Charity chief Cathy Gilman said: "We are so happy the musical theatre community supports us with such open hearts".
Award-winning musical A Chorus Line is to be revived in London's West End for the first time in almost three and a half decades.
Simon Cowell has revealed plans to honour Britain's Olympic and Paralympic heroes on the X Factor.
Hit stage show Shrek The Musical is to end its West End run early next year after nearly two years.