Tequila-inspired décor. Day of the Dead cake toppers. And a wild late-night pool party featuring cannonballs and a midnight taco bar. See what happened when two Californians took their love story on the road—to a south-of-the-border style wedding.

Then Chris took the plunge into the pool. "Two of my girlfriends followed in their dresses!" Katie says. Half the crowd changed into bathing suits and jumped in. "Suddenly it was an MTV pool party, absolute magic and chaos," she says.

Photo: Thayer Allyson Gowdy