It’s the “potbelly” calling the kettle fat.
Miss New York — who allegedly slammed her predecessor, the current Miss America, for being “fat as s- -t” — has wrestled with her own weighty demons.
Nina Davuluri, 24, even made her battles with bulimia and her pudgy past part of her platform as she vies for the Miss America crown Sunday at 9 p.m. in Atlantic City.
Before The Post’s Page Six revealed the backstage ugliness following the state pageant in July, Davuluri, of upstate Fayetteville, was considered a favorite for the national title.
But she wasn’t always a svelte swimsuit-competition contender.
She shed 53 pounds in only a few years, her physical trainer, Tia Falcone, told The Post.
“Nina is probably more beautiful on the inside than she is on the outside,” Falcone told The Post, unaware of her client’s alleged fatso faux pas.
“She had to really work hard to get to where she is. It makes you more humble.”
But Davuluri’s competitors would say humble pie is one course she hasn’t had nearly enough of.
After being crowned Miss New York on July 16 in Staten Island, Davuluri, who nicknamed herself “Miss Diversity,” was overheard not only slamming Miss America (and former Miss New York) Mallory Hagan as a fatty, but entertaining bigoted remarks from her guests, sources told Page Six.
“Davuluri invited friends back to her hotel room after her win. A girl in the next room overheard their conversation, and was so offended she decided to tape part of it,” a source said.
“A friend of Davuluri was supposedly heard making racist remarks, and Davuluri is allegedly heard on the tape blasting Miss America, ‘Mallory’s fat as s- -t.’ The recording has been making the rounds of pageant contestants and officials.”
Davuluri, the first Indian-American to don the Empire State’s tiara, has herself been on the receiving end of racism.
When she first performed a Bollywood-style dance as part of her pageant act, she met resistance.
“She was discouraged from doing it,” Falcone recalled. “They told her she’d never win — too foreign. But she did it anyway, and she won.”
She performed the dance in the pretaped talent portion of the Miss America contest Wednesday.
The personal trainer and the beauty queen met about two years ago, when Davuluri walked into Falcone’s gym in Syracuse with a Living Social coupon.
“She was just beautiful, even though she was trying to lose some weight,” Falcone said.
Davuluri weighed about 137 pounds, down from her peak weight of 170, she added.
During college, Davuluri battled bulimia, according to a profile of the pageant pro in The Post-Standard of Syracuse headlined “A doctor-to-be who detests the word ‘skinny.’ ” Rich foods were her weakness — she would chow down long after feeling full.
At the time, she said, losing the flab felt like an unattainable goal.
“I thought to myself, ‘I can’t do it,’ ” Davuluri told the paper.
Falcone disagreed.
“I wanted her down to 18 percent body fat and 117 pounds,” Falcone said. “She met that goal, and that’s where she still is now.
“Even when you stop being bulimic or anorexic, it’s always with you,” Falcone added. “Like I say to Nina, ‘Once a fatty, always a fatty.’ ”