Miranda Lambert Says She's 'Been Living Off Caffeine & Sad Songs' After Divorce

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Miranda Lambert sang all about heartbreak during a sold-out, acoustic fundraiser show Tuesday night in which she gave the audience a glimpse at her post-divorce life.

WATCH: Blake Shelton Sounds Off on Miranda Lambert Divorce – 'Shoulda Drank More Today'

The 31-year-old singer told the crowd she "had been living off caffeine and sad songs lately." This just eight days after her split from Blake Shelton.

"The event seemed pretty cathartic for the singer," ETonline's Lauren Zima said. "And this is interesting --- Blake and Miranda are scheduled to appear at the same music festival in August. They're both still on the docket, but performing on different days so it's unclear if they will run into each other."

WATCH: Miranda Lambert Steps Out Looking Amazing With BFF Ashley Monroe Post-Divorce

Miranda seemed to be in chipper spirits Wednesday. She posted a picture of herself with gal pal RaeLynn, who was a member of Team Blake in season two of The Voice, along with the caption, "Thank you Jesus for girlfriends and coffee. Oh and concealer!"

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