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
HMS Prince of Wales (1902) their lower displacement, and their later construction than the "Duncan"s lead some authors to view them as constituting a "Queen" class separate from the "Formidable" and "London" classes. "Prince of Wales" had an overall length of , a beam of , and a mean draught of at deep load. She displaced at normal load and at deep load, some lighter than the last of the "London"s, . At deep load the ship had a metacentric height of . "Prince of Wales" had a complement of 747 officers and ratings when she was completed in 1904. The ship was powered by