United Kingdom, May 21 -- Vanessa Trump has been diagnosed with breast cancer.

The 48-year-old model - who has five children with ex-husband Donald Trump Jr., and is in a relationship with Tiger Woods - has revealed she underwent a "procedure" earlier this week and is staying "hopeful" following her diagnosis.

In a "personal health update" shared to Instagram, Vanessa wrote: "I've recently been diagnosed with breast cancer.

"While this isn't news anyone expects, I'm working closely with my medical team on a treatment plan.

"I would like to thank my doctors for performing a procedure earlier this week on me.

"I am staying focused and hopeful while surrounded by the love and support of my family, my kids, and those closest to me."

Van...