The singer revealed on Monday that she was in the process of filming an appearance on Anger Management, the FX series starring Charlie Sheen.
On Monday, Rimes, 30, Tweeted, "Just did my fitting for @AngerMgmtFX Loving my character's getup! Charlie is a doll. Looking forward to tomorrow."
On Tuesday, she showed off her script in a Vine video, costarring her dog.
"Two scenes down, 3 to go," she Tweeted later Tuesday. "Got out of lingerie for one scene, now I'm back in it. At least I'm comfortable & No shoes is a plus."
It was a long day on set for Rimes, who kept her over 477,000 followers in the loop throughout filming.
"Still on set. Last scene coming up. I'm in need of a bed …. even though I've been in one for half the day lol," she Tweeted. "@AngerMgmtFX airs July 11."
Two hours later, it was a wrap for Rimes, who Tweeted: "Just finished! So much fun today!! What an amazing cast and crew."
Anger and roses https://t.co/5fD2ro0hZS— LeAnn Rimes Cibrian (@leannrimes) July 2, 2013