Erin Foster is a married woman.

The reality star and daughter of music producer David Foster married Simon Tikhman in a New Year's Eve ceremony in Nashville, Tenn., according to Entertainment Tonight.

Just days ago, Foster, 37, posted a photo to Instagram showing herself and Tikhman on their way to their wedding destination.

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"On our way to Nashville to get married!" Foster wrote in the caption. "Only one of us is embracing the theme so far."

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In the photo, Foster wears a cowboy hat, while Tikhman sports a black baseball cap, worn backward.

In November, Foster said that she was hoping her stepmother, "American Idol" runner-up Katherine McPhee, would perform at her wedding.

"So (McPhee) wrote me the other day, she was like, 'Is there anything that I can be doing to help you prepare?'" Foster said. "And I said, 'Yes. Vocal exercises. Prepare your voice because you will be performing.' She's like, 'OK.'"

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Foster's rep did not immediately respond to Fox News' request for comment.