"I want to age like my 82-year-old mum, so these are the four changes I made," Courtney wrote over the top of the Reel.
Courtney also hit back at rumours her mum has had plastic surgery, as she said she has never been under the knife.
She went on to reveal she's given up alcohol and is doing much more home cooking, as well as returning to running and using her mum's budget beauty essential - Nivea Creme.
"I get asked what my 82 year old mum’s secrets for aging are," Courtney captioned the Reel.
Courtney concluded that since adopting her mum's routine, she feels "so much better and motivated to keep going".
