The duo weighed themselves in front of millions of viewers on live television.
Higher weight = more drinks.
The reality TV star shared the news before an evening workout on Saturday.
“This is a dangerous suggestion, as many people will take it to mean they should be as thin as possible."
The mum of three told fans she's "so proud to feel like myself again."
Weight is more influenced by a mixture of genes and socio-economic background, says a new report.
A nail salon employee refused service to a woman she believed was "too big" to fit in the salon's chairs for a pedicure.
"I couldn't have done it without the help of my family."
She shifted the weight in less than a year.
Billy Richards lost more than three stone in just eight months.
Tina Cotton, 45, was told to lose weight after three heartbreaking miscarriages.
This isn't the first time the singer has had to defend her weight.