Photo: Kim Zolciak-Biermann/InstagramBrielleandAriana Biermannare celebrating momKim Zolciak-Biermannamid her divorce fromKroy Biermann.Brielle, 26, and Ariana, 21, posted loving tributes forThe Real Housewives of Atlantaalum on Instagram after sheturned 45on Friday.“Happy birthday to my best friend,” Ariana shared on her Instagram Story alongside photos of the mother-daughter duo in matching bikinis, perUs Weekly. “The hottest mom!!!!“Ariana reportedly added in a second post: “You are the strongest women [sic] I know!!! thank you for all you do! I am so proud of you mom! cheers to 53🤪"Brielle shared a similar sentiment in her own heartfelt Instagram Story tribute to Kim, according toUs.“Happy birthday mom!! I love you so much!” she wrote alongside a snap of the pair holding glasses of red wine.Prince Williams/WireimageThe “Don’t Be Tardy” singer and the NFL alum, 37, bothfiled for divorceearlier this month after nearly 12 years of marriage.The pair’s date of separation was listed as April 30, per court documents from Zolciak-Biermann. In the filing, theRHOAstar described her marriage as “irretrievably broken with no hope of reconciliation.“The documents indicated that she was seeking primary physical custody of their children, 9-year-old twinsKaia Rose and Kane Ren, plus sonsKash Kade, 10, andKroy Jagger, 11, and joint legal custody. Biermann also legally adopted Brielle and Ariana in 2013.Per the docs, Zolciak-Biermann also asked for spousal support and the restoration of her maiden name.Kroy Biermann and Kim Zolciak-Biermann.Paras Griffin/GC ImagesA friend of theRHOAstar previously told PEOPLE she had beenplanning her split for “a long time.““She had not told anyone, not even family,” the pal said. “She didn’t tell anyone, even [her] friends were kept in the dark.“The friend also confirmed that “money has been a huge issue” for the formerDon’t Be Tardystars. Their ongoing financial woes includethe foreclosure of their Georgia mansionand reportedlyowing the IRS more than $1 millionin unpaid taxes. (PEOPLE reached out to the IRS for confirmation but was told in a statement: “Federal law prevents the IRS from confirming or denying correspondence with any taxpayer or case, nor does the IRS comment.")“The million-dollar tax [payment] was just way too much pressure on them,” the friend said.RELATED VIDEO:Kim Zolciak-Biermann and Kroy Biermann Split After Nearly 12 Years of MarriageAnother source reiterated how finances played a role in their split, and told PEOPLE the pair are not currently cordial with each other.“There’s no cheating on either side. The money has a lot to do with the split, but there were other factors,” the source said. “He’s been managing [the family] for a long time, so he technically did have a job. They’re not on good terms right now.“That being said, the tensions have not yet trickled down to Brielle and Ariana, who currently haveno intention of ending communication with Kroy.“All the kids are still in contact with Kroy,” a source told PEOPLE on May 10. “There is no drama between Brielle, Ariana and Kroy yet. They want to have a relationship with him and Kim supports that.“The exesmet at a charity event in May 2010. Less than two years later, the pair wed in November 2011, which was documented onDon’t Be Tardy, which ultimately showcased the couple’s daily life with their tight-knit family for eight seasons.Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.Zolciak-Biermann will next be seen onThe Real Housewives of Atlanta, which airs Sundays at 8 p.m. ET on Bravo.
Photo: Kim Zolciak-Biermann/Instagram

BrielleandAriana Biermannare celebrating momKim Zolciak-Biermannamid her divorce fromKroy Biermann.Brielle, 26, and Ariana, 21, posted loving tributes forThe Real Housewives of Atlantaalum on Instagram after sheturned 45on Friday.“Happy birthday to my best friend,” Ariana shared on her Instagram Story alongside photos of the mother-daughter duo in matching bikinis, perUs Weekly. “The hottest mom!!!!“Ariana reportedly added in a second post: “You are the strongest women [sic] I know!!! thank you for all you do! I am so proud of you mom! cheers to 53🤪"Brielle shared a similar sentiment in her own heartfelt Instagram Story tribute to Kim, according toUs.“Happy birthday mom!! I love you so much!” she wrote alongside a snap of the pair holding glasses of red wine.Prince Williams/WireimageThe “Don’t Be Tardy” singer and the NFL alum, 37, bothfiled for divorceearlier this month after nearly 12 years of marriage.The pair’s date of separation was listed as April 30, per court documents from Zolciak-Biermann. In the filing, theRHOAstar described her marriage as “irretrievably broken with no hope of reconciliation.“The documents indicated that she was seeking primary physical custody of their children, 9-year-old twinsKaia Rose and Kane Ren, plus sonsKash Kade, 10, andKroy Jagger, 11, and joint legal custody. Biermann also legally adopted Brielle and Ariana in 2013.Per the docs, Zolciak-Biermann also asked for spousal support and the restoration of her maiden name.Kroy Biermann and Kim Zolciak-Biermann.Paras Griffin/GC ImagesA friend of theRHOAstar previously told PEOPLE she had beenplanning her split for “a long time.““She had not told anyone, not even family,” the pal said. “She didn’t tell anyone, even [her] friends were kept in the dark.“The friend also confirmed that “money has been a huge issue” for the formerDon’t Be Tardystars. Their ongoing financial woes includethe foreclosure of their Georgia mansionand reportedlyowing the IRS more than $1 millionin unpaid taxes. (PEOPLE reached out to the IRS for confirmation but was told in a statement: “Federal law prevents the IRS from confirming or denying correspondence with any taxpayer or case, nor does the IRS comment.")“The million-dollar tax [payment] was just way too much pressure on them,” the friend said.RELATED VIDEO:Kim Zolciak-Biermann and Kroy Biermann Split After Nearly 12 Years of MarriageAnother source reiterated how finances played a role in their split, and told PEOPLE the pair are not currently cordial with each other.“There’s no cheating on either side. The money has a lot to do with the split, but there were other factors,” the source said. “He’s been managing [the family] for a long time, so he technically did have a job. They’re not on good terms right now.“That being said, the tensions have not yet trickled down to Brielle and Ariana, who currently haveno intention of ending communication with Kroy.“All the kids are still in contact with Kroy,” a source told PEOPLE on May 10. “There is no drama between Brielle, Ariana and Kroy yet. They want to have a relationship with him and Kim supports that.“The exesmet at a charity event in May 2010. Less than two years later, the pair wed in November 2011, which was documented onDon’t Be Tardy, which ultimately showcased the couple’s daily life with their tight-knit family for eight seasons.Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.Zolciak-Biermann will next be seen onThe Real Housewives of Atlanta, which airs Sundays at 8 p.m. ET on Bravo.
BrielleandAriana Biermannare celebrating momKim Zolciak-Biermannamid her divorce fromKroy Biermann.
Brielle, 26, and Ariana, 21, posted loving tributes forThe Real Housewives of Atlantaalum on Instagram after sheturned 45on Friday.
“Happy birthday to my best friend,” Ariana shared on her Instagram Story alongside photos of the mother-daughter duo in matching bikinis, perUs Weekly. “The hottest mom!!!!”
Ariana reportedly added in a second post: “You are the strongest women [sic] I know!!! thank you for all you do! I am so proud of you mom! cheers to 53🤪”
Brielle shared a similar sentiment in her own heartfelt Instagram Story tribute to Kim, according toUs.
“Happy birthday mom!! I love you so much!” she wrote alongside a snap of the pair holding glasses of red wine.
Prince Williams/Wireimage

The “Don’t Be Tardy” singer and the NFL alum, 37, bothfiled for divorceearlier this month after nearly 12 years of marriage.
The pair’s date of separation was listed as April 30, per court documents from Zolciak-Biermann. In the filing, theRHOAstar described her marriage as “irretrievably broken with no hope of reconciliation.”
The documents indicated that she was seeking primary physical custody of their children, 9-year-old twinsKaia Rose and Kane Ren, plus sonsKash Kade, 10, andKroy Jagger, 11, and joint legal custody. Biermann also legally adopted Brielle and Ariana in 2013.
Per the docs, Zolciak-Biermann also asked for spousal support and the restoration of her maiden name.
Kroy Biermann and Kim Zolciak-Biermann.Paras Griffin/GC Images

A friend of theRHOAstar previously told PEOPLE she had beenplanning her split for “a long time.”
“She had not told anyone, not even family,” the pal said. “She didn’t tell anyone, even [her] friends were kept in the dark.”
The friend also confirmed that “money has been a huge issue” for the formerDon’t Be Tardystars. Their ongoing financial woes includethe foreclosure of their Georgia mansionand reportedlyowing the IRS more than $1 millionin unpaid taxes. (PEOPLE reached out to the IRS for confirmation but was told in a statement: “Federal law prevents the IRS from confirming or denying correspondence with any taxpayer or case, nor does the IRS comment.")
“The million-dollar tax [payment] was just way too much pressure on them,” the friend said.
RELATED VIDEO:Kim Zolciak-Biermann and Kroy Biermann Split After Nearly 12 Years of Marriage
Another source reiterated how finances played a role in their split, and told PEOPLE the pair are not currently cordial with each other.
“There’s no cheating on either side. The money has a lot to do with the split, but there were other factors,” the source said. “He’s been managing [the family] for a long time, so he technically did have a job. They’re not on good terms right now.”
That being said, the tensions have not yet trickled down to Brielle and Ariana, who currently haveno intention of ending communication with Kroy.
“All the kids are still in contact with Kroy,” a source told PEOPLE on May 10. “There is no drama between Brielle, Ariana and Kroy yet. They want to have a relationship with him and Kim supports that.”
The exesmet at a charity event in May 2010. Less than two years later, the pair wed in November 2011, which was documented onDon’t Be Tardy, which ultimately showcased the couple’s daily life with their tight-knit family for eight seasons.
Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.
Zolciak-Biermann will next be seen onThe Real Housewives of Atlanta, which airs Sundays at 8 p.m. ET on Bravo.
source: people.com