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
Titanic (musical) Japanese engagement played from January to February 2007. The premiere in Wales was performed 15–20 November 2004 at the Gwyn Hall by Neath Amateur Operatic Society. The musical returned to Wales from 11–14 April 2012 by Spotlight Theatre Company in the Parc and Dare Hall. Directed by Pat Evans, musical direction by Geraint Bessant, the performance included a special gala event on the 14th April to mark 100 years to the day the tragedy struck. The London Premiere was presented by West Wickham Operatic Society between 21–26 November 2006 at The Churchill Theatre Bromley. On February 9, 2008, Ballinrobe Musical