Oti’s sister, Phemelo added: “The will, drive and attitude also came from your mama.”
To which the dancer replied with a laughing emoji.
Referencing her caption, another user remarked: “We can all thank your wonderful Mama then.”
As well as fans, co-stars of the Strictly champion also took to the comments section to share their thoughts on the sensational snap.
Professional dancers Amy Dowden, 28, and Johannes Radebe, 32, both posted the fire emoji alongside the picture.
Another user wrote: “You are very blessed Ms Oti, beautiful, talented and incredibly sexy.”
Referring to the dancer and her older sister Motsi, 38, who joined the judging panel of Strictly this year, one fan said: “You and your sister have curves to perfection.”
“Oti you always put a smile on my face when I see you on screen as your energy and spirit is so infectious!!!” wrote another fan.