Ireland was represented in the Eurovision Song Contest 2005 by the brother-and sister-act Donna and Joseph McCaul with their song "Love?", which written and composed by Karl Broderick. RTÉ, the Irish state broadcaster once again ran the You're A Star talent contest to choose the act. The national competition was also open to contestants from Northern Ireland and was held on 6 March 2005.

Donna and Joseph McCaul are from the town of Athlone in Co. Westmeath, in the centre of Ireland. Donna is a full-time singer with The Doc Carroll Band and her ambition is to duet with Shania Twain. Her younger brother Joe was a full-time school student.

At Eurovision, Donna and Joseph remained in the middle of the stage while dancers added to their performance in the background. Eventually the dancers came to the front and did a well received clogging routine. The song did not manage to make it to the final, placing 14th in the semi-final.

The spokesperson who revealed Ireland's votes for other countries was Ireland's Eurovision Song Contest 1970 winner Dana.

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