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'Fuller House' star Lori Loughlin flaunts her fabulous abs — see the photo

The "Fuller House" star, 51, recently showed off her incredibly toned tummy in an Instagram post.
/ Source: TODAY

Have mercy!

Lori Loughlin showed off her ripped stomach muscles in an Instagram post over the weekend, proving that a busy schedule is no excuse to slack off on exercising. The "Fuller House" actress, who also stars on the Hallmark Channel drama "When Calls the Heart," credited her trainer, Simone De La Rue, for helping her to achieve those enviable washboard abs.

"Sweaty Saturday with @bodybysimone the best way to start the weekend," Loughlin captioned the photo, which spurred quite the reaction from her Instagram followers.

“Aunt Becky’s killin’ it,” one wrote in the comments section of the post.

“Whoa baby,” another wrote in a nod to the famous "Full House" catchphrase. "I’m envious!”

De La Rue, who also trains celebs such as Amber Valletta and Julianne Hough, reposted Loughlin’s pic and added praise for her client in the caption.

“Saturday inspiration! Look at that body @loriloughlin #squadgoals #girlsquad #girlfriendworkout,” De La Rue wrote.

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Loughlin, 51, has been a fan of De La Rue’s dance cardio classes for years.

"I'll go do the Body by Simone because I don't love doing cardio. I have to trick myself to do it," the mom of two told People last year. "They're not hard classes, anyone can do them. They're little dance aerobic classes. But I go and I jump around for 40 minutes and I work up a sweat and then we do some leg lifts and arms with little free weights.”

Loughlin has also credited yoga with helping to keep her body in tip-top shape. Last summer, a photo she posted of herself doing a side plank pose went viral, much to her surprise.

"I did not expect that photo to go viral like that. But ... it was very flattering,” she later told WonderWall.

Loughlin also attributes her trim figure to using moderation when it comes to eating treats and drinking alcohol.

“I'm not a big drinker,” she told People. “I love champagne but I don't have champagne every night. If I go out and I want to have a drink, I'll have a glass of champagne.”

RELATED: Lori Loughlin celebrates Jesse and Becky's 25th anniversary — see the cute photo

Loughlin will certainly have reason to pop some bubbly on Friday night. After all, the complete first season of "Fuller House" will launch on Netflix at midnight on Feb. 26. Loughlin, who reprises her role of Aunt Becky for the "Full House" spinoff, has been using her social media accounts to get fans pumped up for the new series' launch. Last week Loughlin pointed out that her character would be celebrating 25 years of marriage to Jesse Katsopolis, who is played by John Stamos.

"Happy anniversary to Jesse & Becky celebrating 25 years of marriage," Loughlin captioned a photo of her and Stamos on the 'Fuller House' set. "Way to go kids!"