“That’s right mamma Mai I lost 85lbs since I last saw you,” Osbourne wrote.

REBEL WILSON'S TRAINER REVEALS HER SECRETS TO HER ‘YEAR OF HEALTH’ WEIGHT LOSS.

“You look like a different person with your weight loss,” one user wrote.

She reportedly lost 20 pounds when she appeared on “Dancing with the Stars” in 2009 and realized she is an emotional eater, according to an article from Shape Magazine.

ADELE'S WEIGHT LOSS REPORTEDLY CREDITED TO SIRTFOOD DIET: WHAT IS IT.

By 2012, Osbourne adopted a vegan diet plan and began hiking regularly to keep her weight down, according to a report from the British tabloid the Daily Express.