United Kingdom, March 2 -- Teddi Mellencamp is "ready" to undergo radiotherapy.

The 43-year-old reality star revealed last month doctors had discovered multiple brain tumours and, after undergoing surgery to have the largest ones removed, she's now ready for the next stage in her treatment.

She shared a selfie on Instagram and wrote: "Staples out and ready for radiation."

Despite her health struggles, the former 'Real Housewives of Beverly Hills' star - who has Slate, 12, Cruz, 10 and four-year-old Dove with her estranged husband Edwin Arroyave - has been getting out and about.

She took to her Instagram Story to reveal she had been watching Slate ride, and also shared a photo with two friends.

The latter picture was captioned: "Somet...