"But I felt proud of myself and now only 3kg away from my goal weight! Rebs x".
The 40-year-old rose to stardom when she starred in the Pitch Perfect franchise, playing a character nicknamed "Fat Amy" - and now she wants to be known by a new name.
"Just call me: Fit Amy," she shared alongside of a photo of her in a green sequin dress.
Wilson hit the red carpet with her new boyfriend, multi-millionaire Jacob Busch. The 29-year-old is reportedly "health conscious" according to a source who spoke to People Magazine.
"They been motivating each other with their health journeys," the source said.
Wilson shared her goal weight with her fans earlier this year. In May, she took to Instagram and said: "I'll be honest with you guys - with my 'Year of Health' mission I'm trying to get to 75kg and career-wise am trying to get one of my movies into production before the end of the year! Both of these things are requiring a daily effort and there's constant set backs - but I'm working hard x."
The actress also announced today she has started work on her first children's book series.
The book series for Australia and New Zealand kids called Bella the Brave is set for release in 2021, and is aimed at children aged 3 and up.