Despite Blake Shelton Romance, Gwen Stefani Is Still Legally Married to Gavin Rossdale

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As Gwen Stefani's romance with Blake Shelton heats up, ET has learned that she is still legally married in the eyes of the law.

Gwen gushed to Dallas/Ft. Worth radio station KVIL on Friday about her new beau, describing him as "a pretty rad guy," but her divorce from Gavin Rossdale has yet to be finalized.

WATCH: Gwen Stefani Sheds Light on the Final Years Leading Up to Gavin Rossdale Divorce

While Gwen and Gavin have settled their divorce, they are still waiting for a judge to officially sign off on it. Despite this last step, a divorce attorney told ET on Friday that any changes to the deal seem unlikely this late in the process.

Clearly Gwen isn't letting a judge's signature, or lack thereof, get in the way of her moving on, which has caused quite a stir around Monday's live taping of The Voice.

"I think this is a big win for The Voice, at least initially," Ronn Torossian, CEO of 5W PR, told ET. "They're mature. They're adults ... if they break up, as long as it's on decent terms, then it will still be a big boom for The Voice."

WATCH: Gwen Stefani Files for Divorce From Gavin Rossdale

This serendipitous situation for NBC required a perfect storm of coincidences and heartbreaking events in order to come to fruition.

In April 2014, Gwen joined The Voice, where Blake was already a coach. At the time, both were married. Four months later, Blake challenged Gwen to the ALS Ice Bucket Challenge. Jump to July 2015, when Blake and his wife of four years, Miranda Lambert, quickly divorced. Then two weeks later, Gwen and Gavin announced they were calling it quits after 13 years of marriage.

WATCH: Blake Shelton and Gwen Stefani Spotted Holding Hands

What makes these split ups and hookups even more interesting is the amount of money involved. Miranda has an estimated worth of $45 million, while Blake is reportedly worth $60 million. Gavin's net worth comes to an estimated $35 million and Gwen tops them all at $80 million.

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Reporting by Jennifer Peros