Teddi Mellencamp, the 43-year-old Real Housewives of Beverly Hills alum, is enduring one of the toughest battles of her life as she faces a devastating update in her ongoing fight against brain cancer. After being diagnosed with melanoma over two years ago, Mellencamp has bravely fought through more than 20 surgeries. However, despite her relentless will to survive, her situation has grown increasingly dire as the cancer has spread to her brain and lungs.

Earlier this month, doctors discovered additional tumors in her brain and lungs, leading the reality star to face the heartbreaking reality that she may not be there for her children – Slate, 12, Dove, 5, and Cruz, 10 – for much longer. In a gut-wrenching turn of events, Teddi is now preparing her children for the possibility of life without her, a pain that no parent should ever have to contemplate.

As one source close to her told Radar Online, “Teddi is a fighter – anyone who has watched Real Housewives can attest to that.” But the reality of her situation is wearing on her. “It just saps her fighting spirit to think she had beaten this, only to receive another horrible diagnosis.”

Previously, Teddi had assured her children that “mommy’s sick, but she is going to be okay.” But now, as her battle intensifies, she’s been forced to confront the darker truth. “It’s tearing her up to lay out the dark truth to them,” the source said, reflecting the emotional weight of her situation.

In February, Teddi made her struggle public when doctors discovered multiple brain tumors, which led to emergency surgery. Unfortunately, the tumors had been growing for months before she sought medical attention, adding to the urgency of her ongoing treatment. Despite the intensity of the situation, Teddi continues to do everything she can to remain optimistic, but the toll on her family is her primary concern.

“Her main thought is with her family and beating this cancer for their sake,” a source shared. Yet, the outlook is grim. According to oncologist Dr. Jerome Spunberg, who has not treated Teddi but is familiar with her case, the prognosis is stark. “Melanoma is notorious for spreading, and more times than not, more tumors pop up even as doctors treat the existing ones. She’s likely facing a period of very serious and painful medical ordeals, and the cure rate, unfortunately, is very low,” Dr. Spunberg noted.

Despite these challenges, Teddi has never been one to shy away from sharing her journey with the public. On social media, she opened up about the toll her condition is taking, posting a heart-wrenching update on Instagram about the ongoing eye pain she’s battling due to swelling. “Shortly after this [photo was taken], nurse Kel and @lital_aschkenasy iced me up and got me ready to [lie] in silence and the dark because my eye pain comes back same time every day,” she wrote alongside a photo of her daughter, Dove, jumping on a trampoline.

Earlier this month, she also reflected on her mindset during a recent Two Ts in a Pod podcast episode with Tamra Judge. Teddi revealed that she had been suffering from migraines, but instead of facing the pain head-on, she pushed through it, convinced that ignoring the symptoms would allow her to keep moving forward. “I didn’t want to face any of it. I just need to keep moving forward. And if I keep moving forward, then everything’s going to be fine,” she shared.

As Teddi continues to fight, the support from her fans and loved ones remains unwavering, but it’s clear that this battle is far from over.

As she faces an uncertain future, Teddi’s priority remains her children, and she is holding onto hope with every ounce of strength she has left. For now, she’s taking things one day at a time, continuing to fight with everything she’s got.