She will appear at London's Ambassadors Theatre Aug. 25, then at New York's 54 Below Aug. 27-28.
Accompanied by a live band and joined by still-to-be-announced special guests, she will perform songs from both classic and contemporary musicals and will celebrate some of the iconic songs that have defined her career so far.
As well as Wicked, she has also appeared in the West End in Women on the Verge of a Nervous Breakdown. In Germany, she has appeared in Aida and We Will Rock You. She voiced Elsa in the Dutch and German versions of Disney's animated film "Frozen." Recordings include the German cast recording of Wicked, and appearances on Scott Alan's albums "What I Wanna Be When I Grow Up" and "Live."
The appearances are being produced by Paul Taylor-Mills.
To book tickets for London, contact the box office on 08448 112334, or visit www.theambassadorstheatre.co.uk; to book for New York, contact the box office on (646) 476-3551 or visit www. 54below.com.
