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
Ain't Too Proud (musical) it ran from August 21, 2018 through September 30, 2018. Following its run at the Ahmanson, the show moved to the Princess of Wales Theatre in Toronto, Ontario where it ran from October 11, 2018 through November 17, 2018. The musical is expected to open on Broadway in 2019 at the Imperial Theatre, with previews beginning February 28, 2019 and an opening night set for March 21, 2019. Ain't Too Proud (musical) Ain’t Too Proud: The Life and Times of The Temptations is a 2018 jukebox musical with music and lyrics by The Temptations and a book by Dominique Morisseau.