She famously shed 30kg during her 'year of health' in 2020.
But a very different Rebel Wilson is on display in the star's 2010 acting showreel, which was recently unearthed on YouTube.
In the six-minute compilation of Rebel's early career, the Australian comedian repeatedly poked fun at her weight and even described herself as a 'bush pig'.
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Who's that girl? A very different Rebel Wilson is on display in the star's 2010 acting showreel, which was recently unearthed on YouTube
The video was produced by Rebel's then-agents to showcase her talents to Hollywood casting producers, as she was trying to break into American movies at the time.
One clip from the showreel sees Rebel playing an overweight English woman sweating it out at an Australian 'fat camp'.
The sketch, about a fictional reality TV series called Fat Crackers, was taken from the Australian comedy series The Wedge.
Another clip, taken from the improvisational game show Thank God You're Here, sees the Pitch Perfect star talking to two men while on holiday in Italy.
One man asks Rebel, 'How do men in Australia greet a beautiful woman?' The Sydney-born star replies: 'Mostly they drive past and go, "Err, you bush pig!"'
Self-deprecating: In the six-minute compilation of Rebel's early career, the Australian comedian repeatedly poked fun at her weight and even described herself as a 'bush pig'
'Fat Mandi': One clip from the showreel sees Rebel playing an overweight English woman sweating it out at an Australian 'fat camp'
The showreel was compiled before Rebel's Hollywood breakthrough.
A year later she was cast in the sleeper-hit comedy Bridesmaids, before her career-making role as Fat Amy in the 2012 movie Pitch Perfect.
She went on to star in the franchise's two blockbuster sequels.
Improv: Another clip, taken from the improvisational comedy show Thank God You're Here, sees the Pitch Perfect star talking to two men while on holiday in Italy
Young Rebel: The reel's opening scene is of Rebel's cameo in the 2007 film Ghost Rider
Rebel is now trying to pivot into dramatic acting, having recently filmed a role in British independent flick The Almond and the Seahorse.
She also just shot a comedy called Senior Year, about a cheerleader who wakes after a 20-year coma and returns to high school.
Meanwhile, the slimmed-down star showed off her sensational figure in a stylish swimsuit on Monday.
Rebel's plunging green one-piece drew attention to her ample cleavage as she gazed at the camera and bizarrely chomped on a piece of rope.
Looking good! Meanwhile, Rebel showed off her cleavage in a stylish green swimsuit on Monday as she spent the day on a yacht
Rebel flaunted her slimmed-down frame as she spent the day on a yacht.
She later posted a gallery of snaps to Instagram, writing in the caption: 'I'm stronger up against the ropes.'
A day earlier, she
