Bijou Phillips' Boyfriend Supports Her Amid Kidney Transplant Search

The actress-singer details how her partner Jamie Mazur has been pushing her to find a donor as she battles kidney issues.

Feb. 27, 2026 at 9:19pm

Got story updates? Submit your updates here. ›

Bijou Phillips, 45, has been open about her ongoing health battle and need for a second kidney transplant. In a new interview, Phillips revealed that her boyfriend, Jamie Mazur, has been a constant source of support, constantly encouraging her to keep searching for a donor. Phillips, who is on dialysis, said Mazur "gets me to, like, fight where I wouldn't probably have fought." The couple began dating in 2024 after Phillips' split from ex-husband Danny Masterson. Phillips and Masterson share a 12-year-old daughter, Fianna, who Phillips says is her motivation to keep fighting.

Why it matters

Phillips' health struggles highlight the challenges many face in finding organ donors, especially for those with rare blood types like Phillips' B negative. Her story also sheds light on the importance of having a strong support system during difficult medical journeys.

The details

Phillips was born with underdeveloped kidneys and underwent a transplant in 2017. She is now on dialysis as she searches for a second donor. The actress-singer said her boyfriend, Jamie Mazur, has been instrumental in pushing her to be proactive in her search, making calls and sending messages to find a match. Phillips revealed her blood type is B negative, meaning potential donors would need to be O positive, O negative or B negative.

  • Phillips first underwent a kidney transplant in 2017.
  • Phillips filed for divorce from ex-husband Danny Masterson in September 2023.
  • Phillips began dating Jamie Mazur in 2024 after her split from Masterson.

The players

Bijou Phillips

A 45-year-old actress and singer who was born with underdeveloped kidneys and is currently on dialysis as she searches for a second kidney transplant.

Jamie Mazur

Bijou Phillips' boyfriend who has been a constant source of support, encouraging her to be proactive in finding a kidney donor.

Danny Masterson

Bijou Phillips' ex-husband, with whom she shares a 12-year-old daughter. Masterson was sentenced to 30 years to life in prison in 2023 over a sexual assault conviction.

Fianna

Bijou Phillips and Danny Masterson's 12-year-old daughter, who Phillips says is her motivation to keep fighting for her health.

Got photos? Submit your photos here. ›

What they’re saying

“He's amazing. He's, you know, on lots of group texts, and he's constantly he's pushed me a lot to really try and find a kidney. I just am like, 'Oh, well, this is how it is. It's whatever.' And he's like, 'No, call the doctor again and call this person again and call this [number] again. Why hasn't this been done yet?'”

— Bijou Phillips (Us Weekly)

“She's the strongest little human. She's amazing. She's brilliant. She's a great piano player and songwriter, and she does phenomenal in school — and she's very cool, way cooler than me.”

— Bijou Phillips (Us Weekly)

What’s next

Phillips continues to search for a kidney donor, with her boyfriend Jamie Mazur actively supporting her in the process. Her rare B negative blood type means finding a match will be challenging, but she remains determined to get the transplant she needs.

The takeaway

Bijou Phillips' story highlights the critical importance of organ donation and the immense emotional and physical toll chronic health issues can take on patients and their loved ones. Her boyfriend's unwavering support serves as an inspiring example of how partners can make a difference during difficult health battles.