With the limelight constantly shining upon them, celebrities are under much scrutiny involving their weight.
So far in 2011, we have seen Kirstie Alley drop over 100 pounds, Jennifer Hudson dropped from a size 16 to a size 0, and Jonah Hill transform into a svelte 21 Jump Street star.
Raven Symone, star of the upcoming comedy series State of Georgia, also dropped 35 pounds this year.
I find it funny that people now come up to me and say, 'Wow, you are absolutely gorgeous. I'm like, 'I was beautiful before I lost weight. Egotistically speaking, I thought I was amazing,' she said.
LeAnn Rimes sparked controversy earlier this year after she released photos in a bikini, which many fans noted her scary skinny form on Twitter.
@leannrimes Whoa, you're scary skinny! Sorry didn't mean to offend but that's a lot of bones showing through skin... one Twitter user wrote.
Carrie Fisher dropped a dramatic 50 pounds this year and joked about donning the metal bikini from Star Wars again.
I weighed three million pounds. I couldn't look in the mirror. I saw pictures of myself where I didn't look like myself. I thought that was getting old. It turns out it was mostly getting fat, she said on the Today show.
So who else shed some pounds in 2011? View the slideshow to see celebrity before and after weight loss photos in 2011.