Brielle Biermann attacks Kenya Moore in vicious Twitter rant, calls her 'dumb ugly evil b--ch'

Brielle Biermann is jumping in on the drama between her mother Kim Zolciak-Biermann and fellow Real Housewives of Atlanta cast member, Kenya Moore.

Biermann, 20, didn't hold back on Saturday night, when she tweeted a few choice words for 46-year-old Moore.

"Kenya is a dumb ugly evil b**ch," Biermann tweeted.

WATCH: Kim Zolciak Surprises Brielle With 20th Birthday Bash -- See the Celebrity Guests!

When a fellow Twitter user replied, "You won't @ her tho," she shot back, "I don't need to! She stalks me and my mom."

Moore didn't directly address Biermann, though she Instagrammed a glam photo of herself on Sunday, and called out her "haters."

"#Aboutlastnight Everywhere you look there are haters... don't let them dull your shine or steal your joy," Moore wrote. "#Shine #happy #thatsMrsDalyToYou #whytheystaymad #obsessed #kenyamoore #rhoa."

But Biermann didn't let the feud die there. Later, she posted a screenshot of a text message exchange between her and a male friend, who commented on Moore's Instagram photo with a pointed diss.

See photos of Brielle Biermann:

19 PHOTOS
Brielle Biermann on Instagram
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Brielle Biermann on Instagram
never leaving
when i go on vacay i might rent out the bahamas - @lilyachty
missing my long hair 😩
🌸
it's all about the angles😉
missin the beach
🐬🌴
💚🌴🐢🐛🐸
@themissap
cheeseburgers and chickfila only🤗
by the best!!! @hairby_chrissy 🖤 photo by: @tyfrenchphoto
when these two surprise me with all the people i love most in 1 room in Los Angeles!!!😩😭
we played panda the whole time we shot in these bamboo trees🐼
Fendi
thank u Whoopi Goldberg for inviting us. 💘
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"You can't dull somethin that don't shine tho," he wrote. "Miss Moore needaDoLess."

"He's not wrong tho," Biermann wrote of the exchange.

Meanwhile, 39-year-old Zolciak didn't directly address her daughter's tweets, though she Instagrammed a Mark Twain quote reading, "Anger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured."

"Remember this ... or make sure you have friends around you who can remind you of this," she added.

Remember this ... or make sure you have friends around you who can remind you of this 👊🏼

A post shared by Kim Zolciak-Biermann (@kimzolciakbiermann) on

Moore and Zolciak have made no secret about their bad blood. In May, Moore threw some serious shade at the mother of six during her appearance on The Breakfast Club on Power 105.1.

"Kim needs a check so Kim will be back," Moore said at the time of Zolciak's then still rumored return to RHOA.

Zolciak later Instagrammed a clip of the shady comment, writing, "Hmm this sh** is funny!! 6 season in on Don't Be Tardy, multi million dollar skincare line in less then 6 months @kashmerekollections meanwhile you sell your hair care products out of the trunk of your car and paying Sally's beauty supply to do an appearances there AND you are spending what you do have on your 3rd paid boyfriend."

"Sweetie don't try and come for me so you can have a story line for next season," she continued.

WATCH: Kim Zolciak Horrifies Daughter Brielle Biermann After Grabbing Husband Kroy's Crotch

Earlier this month, Zolciak confirmed that she'll be returning to RHOAafter leaving the show in the middle of its fifth season. She will also continue to shoot her other show, Don't Be Tardy.

Watch the video below to see Zolciak open up about her 5-year-old son Kash's love for puppies during her appearance on Watch What Happens Live With Andy Cohen in May, despite Kash having to undergo emergency surgery for a severe dog bite the month before.

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