Yvonne Keating - Guests arrive at the European Premiere of 'Once' the musical at The Gaiety Theatre - Dublin, Ireland - Tuesday 26th February 2013 (2 Pictures)
Many ticket-holders couldn't get into the O2 Arena show on Tuesday night (September 19th) because they didn't bring photo ID to match their booking.
An album re-release, a new song and a documentary mark the singer's legacy this year.
The film will be the first in the Marvel Cinematic Universe led by a person of colour.
The actor plays the titular hero in the forthcoming adaptation.