Christie Brinkley Shares Her Top Beauty Tip And Secret To Fitness In Her Seventies

At property 71, Christie Brinkley still feels for illustration an "Uptown Girl."

The erstwhile Sports Illustrated Swimsuit screen exemplary has written a memoir, "Uptown Girl," which explores her emergence to stardom and nan pitfalls she faced.

During her "FOX & Friends" quality connected Thursday, nan prima was asked really she’s stayed successful camera-ready style complete nan years. And Brinkley didn’t hesitate to stock her fare regimen.

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Christie Brinkley said astir her eating habits connected "FOX & Friends" connected Thursday. (Alexander Tamargo/Getty Images for Sports Illustrated Swimsuit)

"First of all, my number 1 beauty concealed is that I person been a vegetarian since I was a small kid," said Brinkley. "And I really, genuinely judge that if everybody would astatine slightest effort and beryllium a vegetarian aliases a vegan… I’m presently a vegan. I person been for nan past, possibly a twelvemonth now."

"So effort it," she encouraged viewers. "You’ll emotion it. And you’ll ne'er consciousness better. And you’ll beryllium helping our planet, which is vitally important correct now."

The exemplary antecedently told Fox News Digital she’s a large instrumentality of nan "rainbow diet," aliases "brightly colored foods" rich | successful vitamins and minerals.

WATCH: CHRISTIE BRINKLEY OPENS UP IN NEW MEMOIR ‘UPTOWN GIRL’

"It fortifies my assemblage — and you really, genuinely are what you eat," she shared. "I dainty myself to bully nutrition, and I ne'er consciousness for illustration I’m denying myself."

"It’s nary longer called a diet," Brinkley stressed. "There’s nary denying myself anything… I’ve ever said, nan much you study astir food, vitamins, minerals and workout and what it does to your assemblage chemistry, nan much you will scope for nan bully worldly because you’ll want to substance your body. And that’s what I do."

Christie Brinkley has been a sought-after exemplary for decades.  (Stan Malinowski/Condé Nast via Getty Images)

Back successful her early modeling years, Brinkley was put connected an all-fish fare to shed pounds quickly earlier a photoshoot. These days, Brinkley said she refuses to contradict herself nan foods she loves. Moderation is key, she said.

Christie Brinkley's memoir "Uptown Girl" is retired now. (Harper Influence)

"If I hap to beryllium connected immoderate trip, aliases it’s somebody’s birthday, you person to person a portion of barroom because it’s not bully luck to not return a wound of nan day cake," she chuckled. "I do that, and past I say, ‘That’s fine.’ I’m not going to hit myself up complete it. I’ll conscionable watch nan sweetener intake nan remainder of nan day, but I conscionable want to dainty my assemblage right."

"I've been a lifelong vegetarian," said Brinkley. "But astir a twelvemonth ago, I became a vegan, and I americium really, really thrilled that I did, because I person ne'er felt better. I eat tons of grains and beans and each kinds of colorful foods."

Christie Brinkley and Billy Joel were joined from 1985 to 1994. (Sonia Moskowitz/IMAGES/Getty Images)

When asked for a portion of proposal she would springiness her younger self, she quoted her ex-husband Billy Joel’s song, "Vienna."

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Christie Brinkley attends nan Sports Illustrated Swimsuit Celebration of nan 2024 Issue Release and 60th Anniversary pinch Swimsuit Island successful Hollywood, Florida, connected May 17, 2024. (Alexander Tamargo/Getty Images for Sports Illustrated Swimsuit)

"Slow down, you crazy child, you’re truthful eager for a juvenile," she sang. "But seriously, slow down. Enjoy it all. Savor it all. But live."

Back successful 2021, Brinkley told Fox News Digital she won’t measurement connected a standard to negociate her weight. Instead, she lets her apparel do nan talking.

"I don’t measurement connected a scale," she said astatine nan time. "I person my ‘Honest Jeans’ show maine nan truth. I’ll effort those connected to spot wherever I’m at. If I fresh into those, I consciousness good. And erstwhile they’re excessively tight, it’s OK, too."

Christie Brinkley, now a vegan, is simply a instrumentality of nan "Rainbow Diet." (Michael Simon/Getty Images)

"At first, I was a small amazed because I’ve been wearing a batch of sweatpants," she added. But for me, it’s smaller portions and a small much exercise. And I take to attraction connected counting my blessings, because erstwhile you commencement realizing each nan things successful your life that you’re grateful for, it becomes nary large whoop."

In 2019, Brinkley told Fox News Digital that keeping her assemblage moving has been basal complete nan years.

"I’ve ever loved sports and doing things outdoors," she said. "Whether it’s moving astir nan tennis court, stand-up paddleboarding, skiing, kayaking, cycling, upland trails — I conscionable emotion being progressive and doing things."

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Christie Brinkley is simply a proud mom to 3 children. (Romain Maurice/Getty Images)

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"It’s conscionable truthful important to support moving each day, particularly astatine my property now," Brinkley continued. "My force is sitting. It’s a large correction for group to deliberation they request to beryllium it out. That’s nan worst point you tin do. You gotta get yourself to a beingness therapist, fig retired what’s causing those aches and pains, fortify your muscles and support going."