Their relationship has been chronicled over the last four seasons of the Bravo reality series and Tom popped the question last July.
The couple tied the knot in front of their loved ones at the Twenty Mile House in Northern California. Katie stunned in a Zuhair Murad wedding gown while her bridesmaids — co-stars Scheana Shay, Kristen Doute and Brittany Cartwright — and maid of honor, Stassi Schroeder, wore white dresses with silver metallic belts.
Tom Sandoval served as the best man and Jax Taylor was also part of the big day as a groomsman.
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"I'm so happy to have married my best friend and love that I finally get to call Tom my husband. Celebrating with our closest friends and family has been nothing short of an amazing experience,” Katie told E! News.
We’re wishing them the best!