Caroline Corr has married Dublin-based property developer Frank Woods in Majorca.
The Corrs' drummer was married in a candlelit church in the village of Deia.
Bono and The Edge were among the guests.
Corr, 29, wore a white dress and arrived at the church in a Rolls Royce accompanied by her brother Jim.
The church was lit by candles after a rainstorm caused a power failure, the Spanish news agency Efe reports.
The Corrs - sisters Andrea, Caroline and Sharon, and brother Jim Corr - have sold more than 27 million albums since their 1995 debut.
Last July, Sharon married Belfast-based barrister Gavin Bonner. The other two members of the family group, Andrea and Jim, remain single.