Out Of Control! These 24 Notorious Yo Yo Dieters Can't Stay At One Weight

Dec. 9 2014, Updated 1:55 p.m. ET
Being a size 2 is not something these Hollywood stars can maintain and RadarOnline.com has a gallery of the celebrities who have been notorious yo-yo dieters over the years.
Christina Aguilera- Before

The Dirrty singer has gone from skinny Mouseketter to a blossoming weight, but drops it over and over again. Christina Aguilera showed off her newly toned and fit body on the Voice after all her hard workouts paid off.
Christina Aguilera- After

Britney Spears - Before

Britney Spears
The Pop Princess danced her way into the smallest sizes there were, but after a broken marriage, two children and a break from working she packed on the pounds, but Britney Spears managed to drop them again once she hit the road again and kept up her intense dance/workout schedule.
Britney Spears - After

Mariah Carey - Before

Diva Mimi embraces her curves and wears revealing outfits no matter what her weight. Mariah Carey has gone from ultra-skinny to super curvy throughout her career, hitting the gym and the pool when she needs to really drop the pounds and in between enjoying time with her twins.
Mariah Carey - After

Jessica Simpson - Before

The reality star’s weight has always fluctuated but Jessica Simpson trained like a champ to squeeze into her Daisy Dukes for her role in the Dukes of Hazzard only to gain it all back, and then have two children and became the successful spokesperson for Weight Watchers and back to her slim svelte weight.
Jessica Simpson - After

Tyra Banks - Before

Kiss my fat ass! That’s what the talk show host said when she was criticized for her weight. Tyra Banks went from runway model thin to gaining 30 pounds and then dropping the weight again.
Tyra Banks - After

Jennifer Love Hewitt- Before

The Party of Five actress has spoken about her fluctuating weight, insisting that she isn’t overweight and Jennifer Love Hewitt told Shape magazine: “We’re all made to look different from one another, and this is why it’s important to acknowledge this difference and learn to love what we’ve been given, instead of trying to be something else.”
Jennifer Love Hewitt- After

Kirstie Alley - Before

The famed Scientologist has gained and lost 50 pounds over and over again, crediting her Dancing With the Stars stint with one major loss but the former Jenny Craig spokesperson has often struggled to keep the weight off.
Kirstie Alley - After

Janet Jackson - Before

Ms. Jackson was always slim but then she put on 60 pounds for a movie role and worked hard to drop it all again.
Janet Jackson - After

Jenny McCarthy - Before

The View host is no stranger to different weights. Proud Playboy centerfold Jenny McCarthy described her diet history in 2013, saying: "I'm a big yo-yoer. I do go up and down. I go from, like, 120 to 138. Right now I'm at 136, I think."
Jenny McCarthy - After

Miranda Lambert - Before


Country cutie Miranda Lambert says her fluctuating weight has been most of her adult life, but now she’s down to a slim figure that she wants to keep. "I spent my twenties on a roller coaster — my yo-yo weight, working all the time and partying. I just wanted to get healthier and go into my thirties in the best shape I could be in,” she said.
Miranda Lambert - After

Ricki Lake - Before

Ricki Lake admits she’s definitely been a yo-yo dieter, hitting her highest weight at 260 pounds. She says she’s capable of dropping the weight but it is a struggling, admitting: “I’m one big walking contradiction, but I have the mindset and, God knows, I have the willpower because I’ve done it before.”
Ricki Lake - After

Kelly Osbourne - Before

The Fashion Police star is the queen of fluctuating weight. Famously showing off her bikini body and then shortly after gaining back the weight Kelly Osbourne says she can’t do it all via diet, revealign: “I learned how to work out right and eat right, it’s one of those things that you just have to commit to a life change rather than being on a diet. Because a diet doesn’t work.”
Kelly Osbourne - After
