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
Gaiety Theatre, London theatre introduced new style of musical theatre in London now referred to as the Edwardian musical comedy. These shows employed female dancers known as the Gaiety Girls and were extraordinarily popular, inspiring imitations at other London theatres. A success in this genre was "The Shop Girl" (1894), which was followed by many "girl"-themed musicals. The building was demolished in 1903, and the theatre was rebuilt at the corner of Aldwych and The Strand. More hit musicals followed. When Edwardes died in 1915, Robert Evett, took over the management of the theatre and had a number of further successes, notably "Theodore