There are some things that are a sure thing in this world, and you can bet that one of those things includes never seeing a royal family member being a part of a weight loss ad campaign.
But that's not to say some people haven't tried... and apparently failed miserably.
Indeed in a move that has shocked royal watchers, the Palace has reportedly spoken out against a fake advertising campaign that used fake quotes from Meghan Markle to plug their product.
According to an investigation from the Sunday Mirror, an online campaign for "Keto Weight Loss" tablets featured images of the Duchess from before and after her pregnancy.
The publication adds that the advertisement includes a fabricated quote from Meghan stating: "Post pregnancy my body had lost its shape. But, with keto body tone, I came back."
A second website for the company also reportedly has the Duchess claiming in an interview that the Royal Family did not want her to pursue her own weight loss line.
The publication reported that a spokesperson for Meghan thanked them for alerting the former Hollywood actress to the scam.
The source also told the Mirror, "this is obviously not true and an illegal use of the Duchess' name for advertising purposes. We will follow our normal course of action."
While it's highly unlikely we'll ever see the Duchess team up with commercial brands that plug weight loss, there's no denying her passion for all things health and fitness.
Before she became a royal, Meghan previously spoke about her love of exercise, and how she loves to work out for both mental and physical benefits.
In 2016, she told Women's Health: "My health, my state of mind, the feeling you have after a workout; all of these things drive me to step onto my mat or go to the gym."
WATCH: Meghan Markle's favourite exercises, according to her previous interviews. Story continues after video...
Meghan has also been praised for embracing her post-baby body.
In July, she stepped out at the Lion King London premiere in a gorgeous Jason Wu dress that hugged her figure, which has understandably changed since she gave birth to son Archie.
"So refreshing to see Meghan Markle embracing her post baby body and is in no rush to get her pre-baby body back. It's important to feel happy within yourself and your weight shouldn't determine your happiness," a woman penned on social media.
Another commented: "She's so beautiful! Post-partum weight is healthily lost within 6 months after giving birth. Meghan's size 4 clothes aren't going anywhere, except back on her body!"
We absolutely agree - the Duchess is looking absolutely stunning.
Royal commentator Katie Nicholl of Vanity Fair told Entertainment Tonight that Meghan had been taking it easy when it came to exercise following the birth of baby Archie.
Indeed she remarked that the Duchess had simply taken to yoga as a post-birth fitness regime.
"Nothing too strenuous," Nicholl said. "That's all Meghan has been doing. And lots of proud walks around Windsor Great Park, so gentle exercise, but no hard training, no weights."