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Blake Shelton, Gwen Stefani, Miranda Lambert

Trae Patton/NBC, Jason Merritt/Getty Images

While fans might have been caught off guard to hear that Blake Shelton and Gwen Stefani could be a bit more than "just friends," it seems Shelton's ex-wife, Miranda Lambert, is anything but surprised.

A source tells E! News exclusively that the "Little Red Wagon" singer is taking the time since her split from the country crooner to focus on herself and her career.

"Miranda is at a point in her life where she is really focusing on herself and her music. This is a new chapter for her to create new relationships and really move on," the insider says. "Miranda has been going through many personal changes over the past few months, but it's all for the better."

Despite her priorities, however, she has caught wind of the rumored romance occurring on set of The Voice.

"She was not surprised to hear of the romance between Blake and Gwen. They were always pretty flirty," the source adds. "Miranda and Blake were on the rocks on and off and knew that this could always be a possibility." 

Blake Shelton, Gwen Stefani, Halloween, PDA, Exclusive

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Despite getting divorced, Miranda and Blake have made it pretty clear on social media that there is no bad blood between them. If anything, they're quite friendly, so it only makes sense that Miranda would be supportive of her ex and his personal life.

"Blake is just a flirty kind of charmer," the source continues. "She has nothing against Gwen and thinks she is a very talented artist. Whomever Blake is with she wishes them the best."

Blake and the No Doubt songstress made waves when they were spotted participating in some PDA over the weekend at Maroon 5's Halloween party. In the photos exclusively obtained by E! News Shelton was holding Stefani close with his hands on her shoulders, eventually moving them down to her waist. One hand later landed on her backside.

In another photo, Gwen was spotted looking up adoringly at Shelton as they chatted at Adam Levine's soirée.

Miranda and Blake called it quits in July after four years of marriage. Since then both have opened up about their amicable split, and Shelton even went out and referred to them as "buddies."