Sold-out gigs by Rihanna, Katy Perry, and George Michael at Dublin’s O2 last year contributed to the arena’s co-owners recording a 5% increase in pre-tax profits to £6m (€7.45m).

LADY Gaga’s top grossing three-night run at the O2 in Dublin last year contributed to the co-owners of the venue recording pre-tax profits of £5.7 million (€6.5m) for 2010.