The Victoria's Secret model and the former hockey player tied the knot on Saturday (10.10.15), in an outdoor ceremony at the Parrish Art Museum in The Hamptons.
The stunning bride wore a Carolina Herrera dress while her husband was dapper in a dark suit.
Hilary, 28 and 35-year-old Sean's wedding comes two years after they got engaged.
The couple first started dating in 2010 and had an on/off relationship until 2013 when things got more serious.
Announcing their engagement in November 2013, they told PEOPLE: ''We are excited to plan the most beautiful and fun wedding that we could ever imagine.''
And speaking about their plans for the wedding earlier this year, Hilary told Hamptons magazine: ''We're just getting it together now after a year and a half of being engaged.
''We're just starting to meet with wedding planners and figuring out when we're going to do it, but we're aiming for the fall. We're getting married in the Hamptons.
''We have a house out here. We've been spending so much time out here, every summer and a lot [of the rest of the year] too. We were thinking of doing it at some destination, but it really is just so much more personal and also a little bit easier than some exotic island somewhere.''
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