Celebrity weight loss pictures: Before and after

Rev. Al Sharpton credits ditching meat for his weight loss.  (Mark Davis/Getty Images for BET)

Jonah Hill in 2006  (E. Charbonneau/WireImage)

Actor Jonah Hill attends the ‘Crazy, Stupid, Love.’ World Premiere at the Ziegfeld Theater on July 19, 2011 in New York City.  (Jason Kempin/Getty Images)

Al Roker, in 2001, is proudly declaring his love for food.  (RJ Capak/WireImage)

Al Roker lost over 100 pounds by undergoing gastric bypass surgery and maintains his weight with a healthy diet and daily exercise routine.  (Astrid Stawiarz/Getty Images)

The game show host is pictured here in January 2010, when he decided to lose weight because he was tired of being fat on camera.  (Photo by Kevin Winter/Getty Images)

By the end of July 2010, Carey lost 80 pounds, curing his type-2 diabetes and decreasing his waist size from 44 inches to 33-34 inches.  (Photo by Kevin Winter/Getty Images)

After the birth of her son in August 2009, the actress and singer decided to join Weight Watchers because she wanted to make a healthy change that could fit into her busy life.  (Photo by Tasos Katsopodis/Getty Images)

Here is Hudson attending the Cannes Film Festival in May 2010, visibly slimmer. She dropped 10 sizes by August 2010, bringing her to a size 6.  (Photo by Michael Buckner/Getty Images)

The actress weighed 220 pounds when she decided she wanted to become skinny in 2004.  (Photo by Frederick M. Brown/Getty Images)

After becoming Jenny Craig’s spokesperson, Alley lowered her weight to 145 pounds by 2006, even donning a bikini on “The Oprah Winfrey Show” to show off her new body.  (Photo by Will Powers/Getty Images)

Reaching a maximum weight of 368 pounds, the actor made the choice to lose weight to live life better in August 2009.  (Photo by Will Ragozzino/Getty Images)

Here is Goodman posing at the AFI Life Achievement Award at the beginning of June 2010. He subtracted 100 pounds from his weight by August 2010.  (Photo by Alberto E. Rodriguez/Getty Images)

The reality TV star maintained her normal weight throughout most of “The Simple Life.”  (Photo by Kevin Winter/Getty Images)

A thin Richie appears at the opening of “Social Hollywood” in June 2006. Rumors that the starlet had an eating disorder circulated the public, but she insisted she is naturally thin and has trouble putting on weight. Her father blamed her increased popularity and spotlight in the media.  (Photo by Mark Mainz/Getty Images)

The actor poses at the premiere of “American Psycho” in Tokyo in June 2001. Throughout the filming of the movie, Bale weighed 185 pounds.  (Photo by Toshifumi Kitamuri/AFP/Getty Images)

The star wanted to slim down to better portray his character in the 2004 film “The Machinist,” in which he plays an industrial worker who hasn’t slept in a year. His weight during filming was 121 pounds.  (Photo by Jean-Paul Aussenard/WireImage)

Bale had to gain back the weight for “Batman Begins,” which hit theaters in 2005. The star bulked up to 221 pounds.  (Photo by Frazer Harrison/Getty Images)

The host of “America’s Next Top Model” and her self-titled talk show walks onstage at the NAACP Image Awards in February 2006. She reached her heaviest weight of 161 pounds in 2006.  (Photo by Kevin Winter/Staff)

Banks’ weight gain motivated her to improve her health, and by 2009 she shed 30 pounds.  (Photo by Dimitrios Kambouris/Getty Images for Glamour Magazine)

The actress and singer is at her then normal weight at MTV’s “Total Request Live” in July 2004.  (Photo by Scott Gries/Getty Images)

Admitting to feeling pressure from the media and fans, Duff said she became obsessed with losing weight and slimmed down to 100 pounds in 2005.  (Photo by Matthew Simmons/Getty Images)

The rapper, whose maximum weight was 214 pounds, is pictured here speaking onstage in December 2009, two months before he started a weight loss plan for his next movie.  (Photo by Bryan Bedder/Getty Images for VEVO)

50 performs at the end of March 2010, almost two months after beginning a weight loss regimen involving a liquid diet and three hours of exercise a day to shave off weight for his role as a cancer patient in “Things Fall Apart.” By April 2010, the star weighed 160 pounds.  (Photo by Torsten Laursen/Getty Images)

After filming ended, 50 Cent gained back most of the weight he lost for his role. In August 2010, his weight reached 210 pounds.  (Photo by Dario Cantatore/Getty Images)

After she gave birth to her youngest son, the singer and TV host packed on the weight until she hit 165 pounds in 2007.  (Photo by Ethan Miller/Getty Images)

Osmond vowed to lose weight after she couldn’t look at herself in a mirror at size 14. She began the weight loss program Nutrisystem and peeled away 45 pounds by 2009.  (Photo by Ethan Miller/Getty Images)

The now-famous Subway promoter was a 425-pound student at Indiana University in March 1988 attempting to lose weight. After having no luck with other diets, he decided to try eating Subway sandwiches after seeing a sign in the restaurant window advertising sandwiches with 6 grams of fat or less.  (Photo by Andrew Kent/Getty Images)

After 10 years of eating sandwiches, Fogle dropped 245 pounds. In 2000, he weighed 180 pounds, and Subway gave him an endorsement deal.  (Photo by Frederick M. Brown/Getty Images)

The former host of “The View” made the choice to undergo gastric bypass surgery in 2003 when her weight hit 307 pounds.  (Photo by Peter Kramer/Getty Images)

Following her surgery, Jones shaved off pounds. By 2006, Jones weighed 147 pounds.  (Photo by Ethan Miller/Getty Images)

The actor and musician attends the National Movie Awards in 2007 at his normal weight.  (Photo by Ethan Miller/Getty Images)

The star lost 18 pounds in 2009 for his role as a paranoid schizophrenic violinist in “The Soloist.”  (Photo by Chris Jackson/Getty Images)

After her marriage ended, the actress sought solace in food. She reached her highest weight, 172 pounds, in March 2007.  (Photo by Stephen Shugerman/Getty Images)

Bertinelli refused to let herself gain any more weight after she found herself buying size 14 jeans. She joined Jenny Craig in 2007, losing 47 pounds by 2009. The new 132-pound star revealed her new body in a bikini on the cover of People magazine.  (Photo by Jeff Genter/Getty Images)

Since his bypass surgery in 2004, the former president started eating healthier. Despite this, his daughter Chelsea asked him in April 2010 to lose 15 pounds before her wedding.  (Photo by Sophia Paris/MINUSTAH via Getty Images)

Clinton surpassed his daughter’s request, shedding 20 pounds by her July 31, 2010 wedding.  (Photo by Bryan Bedder/Getty Images)

The talk show host attends the 19th annual Daytime Emmy Awards in June 1992. Her weight peaked at 237 pounds the same year.  (Photo by Jim Smeal/WireImage)

Twelve years later, Oprah finally fought back against the weight gain. She slimmed down to 160 pounds by January 2005.  (Photo by Vince Bucci/Getty Images)

Oprah thought she had her adversary under control, but her weight continued to haunt her. Following diagnoses of multiple thyroid problems in 2007, she regained the weight she lost. By 2008, she weighed 200 pounds.  (Photo by Kevin Winter/Getty Images)