KJ Biermann, 15, was arrested and charged with two felony counts stemming from an alleged April incident, according to documents obtained by Fox News Digital.

KJ (who's full name is Kroy Jagger) was charged with aggravated sexual battery and aggravated sodomy Aug. 17 following his arrest in Alpharetta, Georgia.

The teen is being charged as an adult under Georgia's SB440 law, which gives adult superior courts jurisdiction over teenagers aged 13 to 17 accused of specific violent felonies.

REALITY STAR'S DAUGHTER ARRESTED ON ASSAULT CHARGE IN NEW JERSEY STEMMING FROM ALLEGED DISPUTE

Kim Zolciak's teen son, KJ Biermann, was arrested last week on double felony charges stemming from an alleged incident in April. (Getty Images/Alpharetta Police Department)

His mother, "Real Housewives of Atlanta" star Kim Zolciak, denied the allegations levied against her son in a statement provided to Fox News Digital.

"The allegations being made against my son are nothing short of reckless and deeply troubling," the reality star said. "He categorically denies ever being involved with this woman or engaging in the conduct she has alleged.

Kim Zolciak's 15-year-old son, KJ Biermann, was arrested Monday and charged with aggravated sexual battery and aggravated sodomy stemming from an alleged incident in April. (Alpharetta Police Department)

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"My son voluntarily took a polygraph examination regarding these allegations and passed. Additionally, an examination was conducted, and no DNA belonging to my son was found. We are also aware that this individual has made similar allegations involving two other people, which raises serious concerns that deserve to be carefully examined."

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Zolciak added, "False accusations can have devastating consequences not only for the person being accused, but also for genuine survivors of sexual assault and abuse. Every legitimate allegation deserves to be taken seriously and investigated based on the facts and evidence. At the same time, no one should be publicly condemned based solely on an accusation."

KJ Biermann is the oldest son of former reality star couple, Kroy Biermann and Kim Zolciak. (Prince Williams)

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"We remain confident that the facts and evidence will establish the truth, and we ask that people allow the proper process to take its course rather than spreading unproven allegations," Zolciak said.

KJ is currently being held with no bond at the Metro Regional Youth Detention Center pending a preliminary hearing in September.

Kim Zolciak and Kroy Biermann called off their first divorce filing in July 2023, two months after dueling divorce petitions. (Paras Griffin)

KJ is the oldest son of Kroy Biermann and Kim Zolciak. The former couple also has Kash, 14, and twins Kaia and Kane, 12. Biermann adopted Zolciak's daughters, Ariana and Brielle, from a previous relationship.

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Zolciak and Biermann each filed for divorce in 2023 after 11 years of marriage.