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Sisters, on and off, the screen

Fair City stars Aoibheann McCaul and Aoibhin Garrihy are like sisters on and off screen, but it's a good thing they don't live together.

Aoibheann, who plays feisty Caoimhe Dillon, counts Aoibhin among her best friends, but says not sharing a house in real life is what keeps their friendship fresh.

"Myself and Aoibhin are very close and we issue each other a lot of advice but don't seem to fight a lot. Maybe because we don't live together," Aoibheann told the Diary.

The duo are hard at work as another family crisis looms for the Dillons in Carrigstown.