They\u2019re not starving for their art! Several celebrities have undergone shocking physical transformations and gained a large amount of weight<\/a> in the name of an acting role.<\/p>\n Life & Style<\/em> has before and after photos of the A-listers who put on the pounds for a part.<\/p>\n<\/p><\/div>\n 1 of 5<\/p>\n Miramax \/ courtesy Everett Collection; Michael Loccisano\/Getty Images<\/p>\n<\/figure>\n Ren\u00e9e Zellweger<\/strong><\/a> didn\u2019t just put on a British accent for Bridget Jones\u2019s Diary<\/em>. She also put on 30 pounds! \u201cFor two days it\u2019s bliss, and then you\u2019re full,\u201d Ren\u00e9e, whose performance received an Oscar nom, recalled during an interview with the Daily Mail<\/em>. \u201cAfter a week your glucose levels are going crazy. It doesn\u2019t feel good.\u201d<\/p>\n<\/div>\n<\/div>\n<\/div>\n 2 of 5<\/p>\n Courtesy of Channing Tatum\/Instagram; Arturo Holmes\/MG21\/Getty Images<\/p>\n<\/figure>\n Where\u2019d his six-pack go?! Clocking in at 235 pounds, Channing Tatum<\/strong><\/a> debuted his paunchy physique on Instagram. \u201cI won\u2019t be doing any more fat roles,\u201d he declared after bulking up for an upcoming film called Josephine<\/em>. \u201cIt\u2019s too hard on the body and too hard to take off now. But damn, when I look at these pics, it\u2019s just wild what the human body \u2026 can do.\u201d<\/p>\n<\/div>\n<\/div>\n<\/div>\n 3 of 5<\/p>\n Getty Images (2)<\/p>\n<\/figure>\n Carbe diem! Gorging on cheeseburgers, pizza and beer, Matthew McConaughey<\/strong><\/a> added 40 pounds to his frame to embody pot-bellied treasure hunter Kenny Wells in the adventure-thriller Gold<\/em>. He stopped working out altogether, too. \u201cI wouldn\u2019t even take the stairs to the second floor,\u201d Matt told E! News<\/em>. \u201cThat would be too much exercise.\u201d<\/p>\n<\/div>\n<\/div>\n<\/div>\n 4 of 5<\/p>\n Focus Features\/courtesy Everett Collection; Axelle\/Bauer-Griffin\/FilmMagic<\/p>\n<\/figure>\n Ahead of portraying a depressed mother of three in Tully<\/em>, Charlize Theron<\/strong><\/a> packed on a whopping 50 pounds. \u201cIt was fun to go and have breakfast at In-N-Out and have two milkshakes,\u201d she admitted to Allure<\/em>. Losing the weight, though? Not so fun. It took Charlize a year and a half to get back to her starting size.<\/p>\n<\/div>\n<\/div>\n<\/div>\n 5 of 5<\/p>\n Courtesy of Mark Wahlberg\/Instagram; Axelle\/Bauer-Griffin\/FilmMagic<\/p>\n<\/figure>\nRen\u00e9e Zellweger<\/h2>\n
![\"Celebrities](\"https:\/\/www.lifeandstylemag.com\/wp-content\/uploads\/2025\/04\/Celebrities-Who-Gained-Large-Amount-of-Weight-for-Roles-2.jpg?fit=800%2C800&quality=86&strip=all\")
<\/div>\nChanning Tatum<\/h2>\n
![\"Celebrities](\"https:\/\/www.lifeandstylemag.com\/wp-content\/uploads\/2025\/04\/Celebrities-Who-Gained-Large-Amount-of-Weight-for-Roles-3.jpg?fit=800%2C800&quality=86&strip=all\")
<\/div>\nMatthew McConaughey<\/h2>\n
![\"Celebrities](\"https:\/\/www.lifeandstylemag.com\/wp-content\/uploads\/2025\/04\/Celebrities-Who-Gained-Large-Amount-of-Weight-for-Roles-5.jpg?fit=800%2C800&quality=86&strip=all\")
<\/div>\nCharlize Theron<\/h2>\n
![\"Celebrities](\"https:\/\/www.lifeandstylemag.com\/wp-content\/uploads\/2025\/04\/Celebrities-Who-Gained-Large-Amount-of-Weight-for-Roles-4.jpg?fit=800%2C800&quality=86&strip=all\")
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