Cheeky Rangers fans painted kerbs outside a Celtic pub in Glasgow red, white and blue.
The kerbs that line Bar 67 and The Phoenix in the city's Gallowgate area were given an Old Firm makeover in the early hours of Sunday morning.
However, the Gers joke was shortlived as Celtic fans turned up with their own paint and coloured the kerbs in green and white ageah of today's big match at Hampden.
The Twitter pictures have been shared by fans all over the world.
Some users saw the funny side, others weren't so amused.
One posted: "That's the best the Gallowgate has looked in years."
While another commented: "Rangers fans have vandalised the Gallowgate, what a disgrace".
Rangers will play Hibernian in the William Hill Scottish Cup final next month after beating Celtic 5-4 on penalties in the semi-final at Hampden Park.
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