Prince of Wales Theatre seating capacity slightly to 1,160 seats and to modernise the theatre's facilities. New bars were added, the auditorium completely rebuilt, the backstage areas refurbished and the theatre's famous tower and exterior completely gutted and refurbished with new LED lighting and a crisp modern finish. The theatre re-opened with ABBA's musical "Mamma Mia!" on 16 April 2004. On 18 August 2007, "Mamma Mia!" became the longest-running show ever at the Prince of Wales, overtaking the previous record held by "Aspects of Love" with 1,326 performances at the venue and counting. The production marked another landmark on Thursday 23 August 2007, celebrating
Palace Theatre, London the house, removing the paint that covered the Italian marble. Lloyd Webber premiered his musical "The Woman in White" at the Palace later in 2004, which ran for 19 months. "Monty Python's Spamalot" opened in 2006 and ran until 2009. It was replaced by "Priscilla Queen of the Desert", which played through 2011, and "Singin' In The Rain" played from 2012 to 2013, followed by "The Commitments" from 2013 to 2015. "Harry Potter and the Cursed Child", a two-part play written by Jack Thorne based on an original story by Thorne, J. K. Rowling and John Tiffany, began previews at