![Randy Jackson (Getty)]()
Randy Jackson
The former American Idol judge underwent gastric bypass surgery in 2003.
![Randy Jackson (Getty)]()
Randy Jackson
As a result, Jackson lost over 100 pounds!
![Nicole "Snooki" Polizzi (Getty)]()
Nicole "Snooki" Polizzi
The reality star was quite the party girl during her 'Jersey Shore' days.
![Nicole "Snooki" Polizzi (Getty)]()
Nicole "Snooki" Polizzi
Check her out now that she has left the Shore!
![Drew Carey (Getty)]()
Drew Carey
The comedian and game-show host had some severe health issues in 2001.
![Drew Carey (Getty)]()
Drew Carey
Through diet and exercise Carey lost significant weight and is much healthier now.
![Ruben Studdard (Getty)]()
Ruben Studdard
The former American Idol winner was never a small man.
![Ruben Studdard (Getty)]()
Ruben Studdard
But since his debut has made an effort to lose the pounds.
![Jerry Ferrara (Getty)]()
Jerry Ferrara
Turtle from HBO's 'Entourage' was constantly being teased about his weight.
![Jerry Ferrara (Getty)]()
Jerry Ferrara
Starting in 2010, Ferrara worked to lose 60 lbs.
![Al Roker (Getty)]()
Al Roker
Chances are you've seen Al on 'Today' forecasting the weather.
![Al Roker (Getty)]()
Al Roker
Al underwent gastric bypass and as a result lost over 100 pounds.
![Mo'Nique (Getty)]()
Mo'Nique
The comedienne, actress, and actor has never shied away from her weight.
![Mo'Nique (Getty)]()
Mo'Nique
But she is looking leaner and healthier now-a-days.
![Seth Rogen (Getty)]()
Seth Rogen
Funny man Seth Rogen has often made fun of himself and his weight.
![Seth Rogen (Getty)]()
Seth Rogen
But lately, the comedian is looking rather svelte.
![Nicole Richie (Getty)]()
Nicole Richie
The former reality star raised concerns for her health when she lost a considerable amount of weight.
![Nicole Richie (Getty)]()
Nicole Richie
Rumors of an eating disorder were refuted and it turns out she is hypoglycemic and is now at a healthy weight and looks amazing.
![Perez HIlton (Getty)]()
Perez HIlton
The blogger and tv personality has undergone a considerable physical change.
![Perez HIlton (Getty)]()
Perez HIlton
Looking lean and mean lately, someone has definitely been putting time in at the gym.
![Star Jones (Getty)]()
Star Jones
The former host of 'The View' and contestant of 'The Celebrity Apprentice' went from this...
![Star Jones (Getty)]()
Star Jones
To this with a dramatic weight loss!
![Kelly Osbourne (Getty)]()
Kelly Osbourne
Kelly grew up on camera on her family's reality show.
![Kelly Osbourne (Getty)]()
Kelly Osbourne
Now working red carpets, she is looking stunning!
![John Goodman (Getty)]()
John Goodman
John has been working in Hollywood for years and struggled with weight gains.
![John Goodman (Getty)]()
John Goodman
He seems to have it under control now, looking quite dapper here.
![Jonah Hill (Getty)]()
Jonah Hill
Jonah Hill became a star with his role in 'Superbad'.
![Jonah Hill (Getty)]()
Jonah Hill
When it came to playing a police officer in '21 Jump Street' Hill had to get in shape and is looking quite fit.
![Graham Elliot (Getty)]()
Graham Elliot
Appearing on 'Iron Chef' and 'Top Chef' Elliot certainly knows his way around a kitchen.
![Graham Elliot (Getty)]()
Graham Elliot
He is clearly paying closer attention to what he is eating lately. Looking good, Graham.
![Jennifer Hudson (Getty)]()
Jennifer Hudson
The Grammy-Award-winner and former American Idol contestant is a vocal powerhouse.
These celebs have hit the gym and gotten their diets in order and the results are amazing!