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
Elf (Broadway musical) the fastest selling show since the Dominion Theatre opened in 1929. A separate production ran at The 5th Avenue Theatre for a limited engagement in Seattle beginning November 30, 2012, on a run through December 31. The Canadian premiere of the production ran from November 20, 2012 to January 6, 2013 at Neptune Theatre (Halifax), Nova Scotia. A 2013 touring production went under the name "Elf the Musical". A production of the musical also ran at the Paper Mill Playhouse from Nov 26, 2014 until Jan 4, 2015. On December 16, 2014, NBC broadcast a stop-motion animated adaptation of the