Christina Aguilera's Dramatic Weight Loss: How She Lost 25 Pounds

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Christina looked gorgeous and much slimmer at the premiere of ‘The Voice’ season 4 on Mar. 20 and now a top fitness expert tells us how she did it!

Christina Aguilera looks amazing! The 32-year-old showed off her new bod at The Voice premiere and we think she looked awesome.HollywoodLife.com spoke with Pure Power Bootcamp founder, Lauren Brenner, about the shocking weight loss and she says you can really see the difference in her face!

Christina Aguilera’s Weight Loss: Before & After Pics Show Big Difference

The singer looks almost unrecognizable in her tiny mini skirt, showing off her toned legs and slimmer frame.

“Christina looks like she’s lost 25 pounds,” (take a look at Christina Aguilera BEFORE her weight loss.) Lauren, Pure Power Bootcamp Founder, tells us. “You can totally tell the difference in her face. I think before when she was dancing six to seven hours a day, she could maintain her weight. But after her divorce she went on this crazy party binge, and when you are drinking you are much less inhibitied.”

How Did Christina Lose Weight So Fast?

So how did she get back into shape so quickly? “Christina has muscle memory,” Lauren tells us. “If someone works out a lot, they have muscle memory, their body responds, their muscles know what it feels like. An athlete has very good muscle memory and she has very good memory. She is an unbelieveable dancer and as soon as she starts doing exercise, her body responds much quicker.”

It’s clear she enjoyed showing off her body, because she looked thrilled to display her new look alongside judges Usher, and Blake Shelton on the red carpet.

Christina Aguilera’s Weight Gain After Divorce

We told you that friends believed Christina gained 40 lbs after her divorce from Jordan Bratman. Star reported that she was “devouring” pizza, binge drinking, and just living a life of excess.

Others blamed her new boyfriend, 25-year-old Matthew Rutler. A source at the time said: “He is the one taking her out all the time. Matthew likes the nightlife, and Christina always wants to be with him.”

We just can’t wait to find out how Christina dropped the weight. We think she looks phenomenal and this is the perfect way to kick off the new season of The Voice.

Christina is so talented and incredibly beautiful, that is great to see her becoming more fit and focusing on her health!

— Chloe Melas

More On Christina Aguilera’s Weight:

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I don’t see any!!!!!!! weight loss!!!! Where on her body did she lose weight??? I did see that she has a tan but that is all!!!

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She’s got all that money — she should get a personal fitness trainer. Ain’t rocket science.

iits the same!shes fatty but talentty :))))

Way to go Christina ! She is incredibly beautiful and exceedingly talented. Now if she also loses some weight and dresses up neatly , she will be super perfect .

I think she’s beautiful for 32. She got curves. Not stickly and long like some girls.

She hasn’t actually lost any weight – it’s just a more flattering outfit and hairstyle

I’m so sorry but your before and after pics are horrible. She looks smaller in the before pic than she does in the after. The picture others are showing I can tell a difference, but she’s so short and her legs and arms still look chubby. Losing weight after babies and turning 30 is just harder. Keep at it Christina.

LOOKING BETTER BUT HAS A LONG WAY TO GO!!!!!!!!!!!

Oh…I thought she loved her curves…not so much if she lost weight!! They always say that when they are overweight, when actually all they want is to be thin