Blushing bride! Matt Damon and wife Luciana Barrosso renewed their wedding vows on Saturday, April 13 in a romantic ceremony on the Caribbean Island of St. Lucia, and Us Weekly has new details on the bride's dress.

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After nearly eight years of marriage, Barrosso, 36, walked down the aisle and said "I do" again in a blush draped chiffon Naeem Khan tulip gown. The bridal dress, from the Fall 2013 collection, featured a v-neck and metallic beaded waist. The couple's daughters -- Isabella, 6, Gia, 4, Stella 2, and Alexia, Barrosso's daughter from a precious marriage, also wore custom Naeem Kham dresses for the ceremony.

The Argentina-born former bartender also chose a Naeem Khan creation to the rehearsal dinner, which was a sand version of the Fall 2013 collection sleeveless matte jersey draped captan with a deco-beaded neckline. The designer and his wife, Ranjana Khan, were in attendance for the wedding.

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Also on hand for the three-day celebration at Sugar Beach Resort? Surprise wedding officiant Jimmy Kimmel and his fiancee, Molly McNearney. A source also confirmed to Us that actor Stanley Tucci and wife Felicity, Chelsea Clinton and Marc Mezvinsky, Chris Hemsworth and wife Elsa Pataky, Chris Messina and wife Jennifer Todd, Emily Blunt and John Krasinski and Damon's best friend Ben Affleck and Jennifer Garner were also on the guest list.

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According to source, Damon, 42, and Barrosso had been planning their vow renewal ceremony for several months with the help of wedding planner Bryan Rafanelli. The couple exchanged vows under a thatched roof at sunset, and Kimmel officiated the ceremony.

This article originally appeared on Matt Damon Vow Renewal: See His Wife Luciana's Naeem Khan Dress!