Vanessa Minnillo and Nick Lachey said their vows in July, but the 31-year-old decided to make her love even more official on Friday, announcing via Twitter that she changed her last name.

“So…. I'm making it official, and I LOVE my "new name"! @VanessaLachey…. has a nice ring to it,” Vanessa tweeted of her new surname before the weekend.

Nick, who was previously married to singer Jessica Simpson, is currently the host of NBC’s the Sing Off.

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