Rebecca and Brendan from 98FM's Big Breakfast have been challenged to lead their very own open top tour of Dublin.
Each will be trying to prove they know more about the city - listeners can decide at the end of the tour who is the better guide!
John McGuirk aka Jonny Mack from Do Dublin was on 98FM's Big Breakfast this morning.
He gave them some expert tips ahead of their big touring debut.
