Guinness World Records was on hand to celebrate the occasion.

Nick Winston will direct and choreograph the new musical at the Southwark Playhouse Elephant.

The world's longest-running play continues at the St. Martin's Theatre.

The Agatha Christie murder mystery is now part of the portfolio of a consortium led by TodayTix CEO Brian Fenty.

The world's longest-running play is getting a facelift.

The production is the inaugural play at the new Stage Door Theatre in Drury Lane.

The international hit musical continues at London's Apollo Victoria Theatre.

The 1980s-set coming-of-age story explores love and social class against the backdrop of the legendary British quiz show University Challenge.

The 1980s-set coming-of-age story explores love and social class against the backdrop of the legendary British quiz show University Challenge.

The Agatha Christie murder mystery continues to celebrate its 70th anniversary.

The new Sam Rockwell-Saoirse Ronan film is inspired by the hit West End play, and filled with theatre references.

The longest-running play in the world is transferring, with a new cast to be announced in the coming weeks.

The Olivier-nominated show featuring songs from hit music artists plays London's Arts Theatre.

The show will take the stage at London's Arts Theatre again this fall.

The Follies star is currently leading a London revival of Sondheim's Anyone Can Whistle.

The Agatha Christie murder mystery will celebrate its 70th anniversary by visiting more than 70 cities.