The U2 guitarist gave his eldest daughter away last weekend when she wed Jamie Hewitson in Tuscany.
The beautiful bride, a UCD graduate, is a mode and has known Jamie since they were children and the pair have been dating for several years.
She shared the sweet photo on Instagram with her father on her big day, saying: "Last moments of being a single lady."
In another, she and her new husband are the picture of love as they gazed at a fireworks display after their no expense spared ceremony.
Hollie is the eldest of The Edge's five children, from his first marriage to Aislinn O'Sullivan. He has been married to choreographer Morleigh Steinberg for 13 years.