The 30-year-old popped the question in January after five years together.
The couple exchanged celebrated the occasion in lavish style at the five star Druid's Glen Hotel, attended by a host of familiar faces including Rob Kearney, Sean Cronin with his wife Claire, Devin Toner and his fiancee Mary Scott, Jack McGrath and girlfriend Sinead Corcoran, Fergus McFadden and girlfriend Rebecca Sinnamon and Jonny Sexton and his wife Laura Priestley.
Kate and Kevin are fresh from a pre-wedding holiday to Ibizia just two weeks ago with a glamorous group consisting of Kevin's teammates and their other halves.
The UCD graduate has been busy sharing photos from her big day today, saying: Reliving the most magical day #wedding #bestdayever" and "Can we do it all again?".
The beautiful bride opted for a classic lace gown and clearly took a little inspiration from Kate Middleton with her elegant dress.
Kevin is among a number of rugby players who have wed this summer including Sean Cronin, Tommy Bowe and Peter Stringer.