POP icon Britney Spears was among the tens of thousands stranded in Dublin city centre.
The flooding meant the star had to stay in the Westin hotel instead of her usual Ballsbridge hotel, the Four Seasons.
She had been staying at a penthouse suite in the Four Seasons since Friday - but the flooding meant she couldn't get there after her sensational gig in The O2.
Instead she decamped to the Westin with her dancers and backstage crew.
She then set up base in the city centre with her boyfriend Jason Trawick and her two children.
And there was no partying last night either -- low-key Britney stayed away from nightclubs and spent time with Jason, her boys Sean Preston (6) and Jayden James (5) and father Jamie Spears, who still acts as the star's minder.
However Britney did find some time for a little retail therapy over the weekend.
According to a well-placed insider, Britney sneaked out on Sunday for an undercover trip to BT2 on Grafton Street.