Watch Kim Zolciak-Biermann Get Shots in Her Butt to Remove Cellulite: 'It Makes Me Feel Better About Me'

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Kim Zolciak is taking on "one cellulite dimple at a time."

The 38-year-old reality star Instagrammed a video on Tuesday of herself getting filler injections in her butt, in order to get rid of cellulite dimples. Kim made conversation with her doctor -- Dr. Simon Ourian, who practices in Beverly Hills, California -- as she received the injections while laying on her stomach in her underwear.

"Had to make a stop by @simonourianmd1 office last week while in LA!" she captioned the post. "I can't believe how much better my little dimples look! I'm sooooo excited. No negative Nancy's please, I love to share my 'secrets' with you guys."

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"I do it because it works and it makes me feel better about me," she added. "#OneCelluliteDimpleAtATime #ByeDimples Thanks Dr. Ourian see you soon."

Kim said she felt "no pain" while receiving the shots, and noted that she didn't have as much cellulite when she was pregnant, because she was "so swollen." Kim is a mother to six kids -- daughters Brielle and Ariana from previous relationships, and sons Kroy, Kash, and twins Kane and Kaia with her husband, NFL player Kroy Biermann.

The former Real Housewives of Atlanta star has always been open about her plastic surgery procedures as well as her methods when it comes to staying slim, including waist-training. Kim spoke to ET last week, when she broke down the work she's done.

"I've done my lips," she admitted. "I've been getting Botox since I was young, for migraines initially and now it's the obvious reason. I've had my boobs done. I fixed my hernia and had a tummy tuck at the same time, you know, it's one in the same."

"Oh, Ulthera!" she continued. "I just did [skin-tightening treatment] Ulthera … but it's not instant. I do like instant gratification."

She also revealed she wears a wig out of pure convenience even though she has "amazing hair," and makes no apologies for her beauty regimen.

WATCH: Kim Zolciak-Biermann Talks 19-Year-Old Daughter Brielle's Lip Fillers -- 'Why Not? Shoot 'Em Up!'

"I just feel like you should try [everything]," she explained. "Something will work for you, won't work for me. But that's it. I have not done anything else."

Watch the video below to see Kim and Brielle, 19, showing off their freshly plumped lips in July.