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 (53) explode and came to rest in the wing compartments on the starboard side of the after boiler rooms. The shell was discovered and defused when the ship was docked at Rosyth. At 06:05 Captain Leach decided to disengage and laid down a heavy smokescreen to cover "Prince of Wales"s escape. Following this, Leach radioed the "Norfolk" that "Hood" had been sunk and then proceeded to join "Norfolk" roughly astern of "Bismarck". Throughout the day the British ships continued to chase "Bismarck" until at 18:16 when "Suffolk" sighted the German battleship at . "Prince of Wales" then opened fire on "Bismarck"