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Blake Shelton

Angela Weiss/Getty Images

Blake Shelton isn't letting problems in his personal life affect his professional one!

Just two days after he and Miranda Lambert announced they were divorcing, the country star tweeted Wednesday that he was "back to work filming [The Voice] today." He even wrote jokingly, "Wonder if I'm gonna be the only one who rolls in a full ice chest....?"

This was the third tweet Blake posted since the news broke about his and Miranda's breakup. He's yet to explicitly mention the split on social media—his first tweet was about wanting a post-workout drink, and in his second tweet he compared himself to Sasquatch. Blake did, however, make one major Miranda-related change on social media: He removed her from his background cover!

Blake's background image had been Miranda's Jan. 2015 Marie Claire cover, but he's since replaced it with an image of himself on stage. Miranda's default Twitter pic had been one of her and Blake together, but after going public with their divorce news, she changed it to an image promoting her Roadside Bars & Pink Guitars unplugged show in Nashville on July 28.

And although Blake and Miranda's split came as a heartbreaking shock to fans, those close to the stars weren't surprised. "Miranda and Blake have known this divorce been coming for some time now," an insider told E! News exclusively. "They had not been together for a while and were living separate lives. They were just trying to find the right time to break the news to the public."

The insider added that the former couple, who wed in 2011, had "been having issues on both sides for years now, but in the past few months it had come to a head. Blake and Miranda just grew apart and really started not seeing eye-to-eye on some real life future plans with each other."

The exes realized they're just "different people," said an insider. "Their family and friends feel this decision is the best for them...They both hope in the future they can remain friends, but for now, they both know that after this divorce they need space and time to just be alone and not in [touch] for a bit."

(E! and NBC are both members of the NBCUniversal family.)