This is the first time the group, with whom she has recorded three albums, has appeared outside the U.S. At home, they have appeared at Lincoln Center in New York, the Kennedy Center in DC, The Seattle Symphony and Chicago's Goodman Theatre. The London show will include songs from all three albums, "The Sweetheart Break-In," "Big As a Berry" and the recently-released "Free Again!," as well as previously unheard material.

Mullally is best known for her double Emmy and four-time Screen Actors Guild Award-winning role as Karen Walker on "Will & Grace." She made her Broadway debut in the 1994 revival of Grease with Rosie O'Donnell; subsequent appearances include playing Rosemary in the revival of How to Succeed in Business Without Really Trying opposite Matthew Broderick, and appearing in Mel Brooks' Young Frankenstein. She was recently seen in the new film remake of "Fame," and can be heard singing the solo "You Took Advantage of Me" on the Fame soundtrack. She is currently working on a new Broadway musical entitled Karen: The Musical, where she will reprise her role of Karen Walker from "Will & Grace" She will also star in series two of successful American comedy series "Party Down," airing on U.S. cable channel Starz from April 2010.

To book tickets, contact the box office on 0844 412 4663, or visit www.meganinlondon.com for more details.