The event was part of a cultural festival organised by Cardiff council, the St David's Day Committee, the Wales Millennium Centre (WMC) and the Welsh National Opera, running until 2 March.

BBC: Wales

It has been nominated again this year and is up against Billy Elliot the Musical, The Phantom of the Opera and Wicked for the BBC Radio 2 Audience Award - the only Olivier voted for by the public.

BBC: Matilda's 'marvellous' Broadway debut hailed by critics

The opera mask on the cap is made of 2, 000 gemstones in a micro-pave pattern, including black sapphires, diamonds and rubies.

FORBES: Writing Instruments As Objets D��Art