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She's finally making it to the altar!

Jessica Simpson will wed fiancé Eric Johnson at San Ysidro Ranch in Santa Barbara over Fourth of July weekend, In Touch reports.

"Jessica wants it to be the hugest, grandest event of the year. She’s calling it a ‘supersized wedding!” a pal tells the mag.

Guests will enjoy a barbecue menu and a fireworks display at the beautiful wine ranch.

As for the dress? The blonde beauty will walk down the aisle in a custom pale pink Marchesa gown!

We bet children Maxwell and Ace will have a special role in the ceremony!