Kai Trump reveals family’s support for mom Vanessa amid breast cancer battle

Kai Trump is offering advice to young people with a parent battling cancer, drawing from her own family’s experience as she launches a new initiative shaped by her mother Vanessa Trump’s breast cancer diagnosis.

President Donald Trump’s 19-year-old granddaughter, who recently began her freshman year at the University of Miami, told Fox News Digital that her family’s experience has taught her the importance of simply being present for a loved one during treatment.

“The advice I’d give is just … spend time with them, be there for them,” Kai said. “It’s a long journey.”

She added, “It’s always going to be up and down and kind of all over the place, but just be there for your family member, and be there as support and just spend time with them.”

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Vanessa Trump revealed her breast cancer diagnosis in May. By June, she said she was recovering from surgery and preparing for the next phase of treatment.

As she underwent treatment, Kai — the eldest of Donald Trump Jr. and Vanessa Trump’s five children — said she and her siblings took on more responsibilities at home and tried to ease the burden on their mother.

“It’s obviously a very tough thing, especially when my mom has a lot of kids,” Kai said.

“She always really took care of her five kids, and then going through the treatment, we all had to like step in and help out — which we always do — but just … making sure she’s very calm and not stressed and stuff like that,” she said.

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That experience also helped inspire Kai’s latest merchandise collection, which launched Wednesday and includes a charitable component benefiting breast cancer causes.

“My mom was diagnosed with breast cancer in May and hearing her go through treatment and then obviously being with her through the treatments, I just want to give back and give money back to breast cancer,” Kai said.

Kai said she hopes the effort can help fund additional breast cancer research and support other families affected by the disease.

Her apparel shop first launched in September 2025, when she debuted a collection of KT-branded crewneck sweatshirts.

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“I did a drop last year and I wanted to do like a summer drop, a back-to-school drop,” Kai said. “All my friends have been wearing it and they love it. So I’m super excited to launch new pieces.”

The new collection also includes tank tops, sweaters, crewnecks, bags and hats, according to Kai.

“We’re pretty much covering every single category,” Kai said. “I’m looking forward to it.”