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
Prince of Wales Theatre Wisdom, Peter Sellers, Bob Hope, Gracie Fields, Benny Hill, Hughie Green, Frankie Howerd, and Morecambe and Wise. In 1959, Paul Osborn's "The World of Susie Wong" became the theatre's longest-running play to date with 832 performances. On 4 November 1963, The Beatles performed From Me to You, She Loves You, Till There Was You, and Twist and Shout at the Prince of Wales Theatre, during the Royal Variety Show in the presence of The Queen Mother. Neil Simon's play, "Come Blow Your Horn", starring Michael Crawford, played in 1962, followed by a season of Martha Graham's dance company, including the