The country singer, 27, clapped back at a TikTok video criticizing her hairstyle at the 2024 CMA Awards.
"I swear the hairstylist brain never shuts off. Who matched her extensions???" the user wrote over a video of a TV screen showing Moroney accepting her award for new artist of the year at the ceremony.
"She's golden on the top and ashy ends," they continued in the caption of the post.
The video, which has already amassed nearly 900,000 views, was apparently seen by Moroney, who commented, "Very nice of u!"
Fellow commenters came to Moroney's defense. "As a fellow extension blondie, it's the lighting! You looked beautiful, congratulations!" one user replied to the singer's comment.
"Literally. megan looked BEAUTIFUL. her hair slayed the outfit slayed like they needs to leave her alone," said another.
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A third wrote, "You looked beautiful Meg, don't let this one comment overshadow the hundreds others praising you!"
For her first CMA Awards as a nominee, Moroney brought the glamour in an ultramarine Christian Siriano strapless mermaid gown with a full organza skirt. Speaking on Hulu's red carpet livestream, the star described her look as "very blue and very sparkly."
She accessorized with Giuseppe Zanotti heels, statement rings and a bedazzled custom Edie Parker clutch with a nod to her latest album Am I Okay?, which was released on July 12.
In true country star form, Moroney opted for a voluminous hairstyle, her blonde hair in fluffed-out waves while her makeup, done by Jessica Candage using SHEGLAM, consisted of bold lashes, sparkly shadow and a glossy pink lip.
To compete the look, the singer wore a royal blue manicure that perfectly matched her dress and also featured mismatched designs, like French tips and geometric nail art.
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Moroney, who performed her hit "Am I Okay?" during the show, got emotional while receiving her award.
"I just want to get through this without crying," she said in her acceptance speech. "Thank you, Jesus, for putting this dream on my heart and thank you for the gift of songwriting.
"This is for my fans. I would say they're a large reason why I'm up here right now," she continued. "The way they show up for me, the way they care about my songs, and they make signs and T-shirts, and they wait outside the venue starting at 3 a.m. It's really insane to me."