When celebrity stylist and makeup artist, Mally Roncal is involved with a surprise makeover, you KNOW it's going to be good.

And based on Rach's reaction alone, this might be Mally's most amazing reveal yet!

The beauty guru stopped by our audience line to chat with some of the women waiting for a taping of our show. And — unbeknownst to them — to choose one lucky viewer who would receive a celeb-worthy makeover that very day.

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When Mally met Jeneria, she knew she'd found her gal. Jeneria is a breast cancer survivor, military wife and mother of five daughters, who came to the show with three of her girlfriends.

"I'm so excited. Nothing like this ever happens to me," Jeneria says. "I have been through a lot. I've just overcome breast cancer. I have five wonderful daughters, and this is going to be a wonderful day to have this pampering."

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When Rach asked Mally how it went (right before the big reveal), Mally could not stop gushing over Jeneria.

"She was literally amazing — and I'm just going to say this — we have done this a lot here at 'Rachael' … I have never been touched like I have with this one. She is an angel," Mally says.

"And, not for nothing — get ready, because it's over the top!"

Watch the video above to see the reveal that had Rach saying, "You are EVERYTHING … you look smoking, amazing, gorgeous!"

(And we totally agree! 😍)