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Jessie James Decker has said she is proud of herself for losing 25lbs on the South Beach Diet.

And on Tuesday the country singer was seen in a new commercial for the brand where she told her fans that she 'loved' the program so much she got her mother Karen Parker on it too.

That same day new bikini images of the 31-year-old crooner were shared to DailyMail.com. The blonde beauty was seen in a flattering leopard-print bikini as she went for a walk on the beach. 

A new look: Jessie James Decker posed in a leopard print bikini as she showed off her figure after losing 25lbs on the South Beach Diet this year

Like a model: Decker looked as fit as can be in a little leopard print bikini that made the most of her petite frame

Decker looked as fit as can be in a little leopard print bikini that made the most of her petite frame. It's clear she has not only been dieting but also working out as she had strong leg muscles as well as a sculpted belly.

The Lights Down Low singer was also seen in a revealing black bikini while on a sandy beach. In this photo her hair was down and she added a straw hat.

The beauty is married to football star Eric Decker. They wed in 2013 and in 2014 they welcomed their first child, Vivianne Rose.

In 2015 she had her second Eric II and in 2018 her third, Forrest Bradley. 

Wonderful all over: It's clear she has not only been dieting but also working out as she had strong leg muscles as well as a sculpted belly

Earlier this month, Jessie talked to DailyMail.com about Mother's Day. 

'It's really a special time and especially for me and my mom,' said the country singer said about her mother, who she is on the South Beach Diet with. 'It's so important to me and it's been so special for me in my life. So, Mother's Day is a big deal in my house and in my Momma's house.'

And she said she was going to make her mother feel special too. 

'For my mom, for Mother's Day, I will probably send her some flowers,' said the Southern charmer.  

Another look: The Lights Down Low singer was also seen in a revealing black bikini while on a sandy beach. In this photo her hair was down and she added a straw hat

'But I will send her to the spa because, I don't have any nannies or anything, but when I need help with my kids, my momma is right there, taking care of my babies for me, if Eric and I have something to do. So, I'll be spoilin her, sending her to get a massage, 'cause it's a lot with three under four.'

The hitmaker also shared what a typical Mother's Day is like for her.

Like twins: Decker and her mother Karen Parker, who lives in Atlanta, are very close and even diet together

'Usually for Mother's Day, Eric and the kids will make me breakfast; have flowers for me or the kids will come in with their little arts and crafts they've made at school,' said the pinup.  

And though she is a hit-making musician, she said being a mother comes first. 

'Motherhood, to me, is my whole purpose in life. I never knew how much I would love being a mother until I became a mother. They're Number 1 to me. 

'They're all I can think about and if something interferes with me being a mother, I just don't do it. 

'And I always say, at the end of it all, what am I gonna be proud of? My career, all the cool things that I've done or being a mother? 

'And to me, it's gonna be my 3 kids and making sure I made their lives worthwhile.'

Mommy power: And though she is a hit-making musician, she said being a mother comes first. 'Motherhood, to me, is my whole purpose in life. I never knew how much I would love being a mother until I became a mother. They're Number 1 to me

Her kids are #1: 'They're all I can think about and if something interferes with me being a mother, I just don't do it,' she added

Jessie also talked about her childhood. She was born in Italy while her father worked for the military and then raised in Iowa, Kentucky, Texas, and Louisiana. 

'On Mother's Day, growin up, we would go to Sunday mass. And we would hear all about how special mothers are, and we already know it, and then we'd go to breakfast or go to pizza or somethin after and we'd make my mom cards and just do all the special things you do for moms. 

'But, I'm a lucky girl, I've got a really great mom and she was my role model. And I base everything I do as a mother off of what she did, 'cause that's what I'm tryin to live up to.' 

So in love: Here she is seen with Eric at the 54th Academy Of Country Music Awards in Las Vegas in April