Kristin Cavallari and Jay Cutler Kristin Cavallari and Jay Cutler

The Hills' actress Kristin Cavallari has married her longtime sweetheart Jay Cutler, she announced on Twitter Friday.

"I'm officially Kristin Elizabeth Cutler!!!!!" Cavallari wrote, with an Instagram picture of two wedding bands: one sparkly and diamond and the other solid black.

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The happy couple, engaged since November 2011, got their marriage license in Nashville this week, People reports.

Pro quarterback Cutler, 30, and Cavallari, 26, welcomed a baby son, Camden, last August.