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 Drive, London Sidestrand Mansions (now Park Mansions), Norfolk Mansions and Overstrand Mansions were named after "Poppyland", which was popularised by Clement Scott, the theatre critic for "The Daily Telegraph". "Poppyland" was a fashionable holiday destination during this time, and the names would have appealed to the first residents of Prince of Wales Drive. Cyril Mansions was named by Cyril Flower after himself, and Primrose Mansions was named after Constance's Rothschild cousin, Hannah, who was married to Archibald Primrose, Earl of Rosebery (Rosebery Villa abuts Primrose Mansions on Alexandra Road). York Mansions and Prince of Wales Mansions were constructed at a later time,