Stephanie Knight, is doing a fitness challenge to raise money for her mum, who sadly passed away from Grade 4 Glioblastoma in June 2026. Stephanie Knight, is doing a fitness challenge to raise money for her mum, who sadly passed away from Grade 4 Glioblastoma in June 2026. Stephanie Knight, is doing a fitness challenge to raise money for her mum, who sadly passed away from Grade 4 Glioblastoma in June 2026. Stephanie Knight, is doing a fitness challenge to raise money for her mum, who sadly passed away from Grade 4 Glioblastoma in June 2026. Stephanie Knight, is doing a fitness challenge to raise money for her mum, who sadly passed away from Grade 4 Glioblastoma in June 2026.