Gigi Hadid's body is changing and she doesn't care who doesn't like it.
On Twitter, Hadid revealed that when she was 17-years-old she had been diagnosed with Hashimoto's Disease and the inflammation and water retention caused her to gain weight. "I may be "too skinny" for u, honestly this skinny isn't what I want to be, but I feel healthier internally and still learning and growing with my body everyday, as everyone is", Hadid said.
But Gigi Hadid appeared in high spirits at the Maybelline party in NY on Sunday- just hours after her Twitter rant.
The model's - who's dating former "One Direction" star Zayn Malik - followers flocked to Twitter to lend their support to her.
She complemented the look with the gown's pinstripe ruffle top and toughened up the all-black ensemble with a pair of light grey military-style boots.
Gigi said the changes to her body are down to her now being "properly medicated" to help symptoms which include "extreme fatigue and metabolism issues".
Hashimoto's-also known as chronic lymphocytic thyroiditis-is a condition in which the immune system attacks the thyroid, and often leads to an underactive thyroid gland.
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"Although stress and excessive travel can also affect the body, I have always eaten the same", the model stated.
The 22-year-old added that she will no longer justify her slender physique to critics, and slammed suggestions that drugs were responsible for her weight loss.
"I will not further explain the way my body looks, just as anyone, with a body type that doesn't suit ur "beauty" expectation, shouldn't have to", she said.
She ended her message asking for all to "have more empathy" and to 'use your energy to lift those that you admire rather than be cruel to those u don't'.
Kendall Jenner also chimed in, telling Hadid to "preach".
As for how her body changed, she is saying that it's mostly because she is now taking the proper medication for her problem.
Gigi Hadid attends the Gigi Hadid X Maybelline party held at "Hotel Gigi" on November 7, 2017 in London, England.