You go, Lena Dunham!

The Girls star showed off her impressive weight loss transformation in a VERY revealing Instagram photo — but we must say, we are beyond impressed with the actress' progress.

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"I spent so many years loving my body but thinking it wasn't lovable by others — its sole purpose was to be fodder for jokes. I performed the insult so no one else could. I don't regret any of it — that's my art and that was my truth — but now, at age 31, having been through hell and back with my health and other people's perceptions of my physicality, I feel deeply comfortable with the idea that this pear-shaped pot of honey is equally good for making people laugh and laying out like a Suicide Girl circa 2004. Love it all," she captioned the image.

Lena opened up during her appearance on The Ellen DeGeneres Show about her journey — and how she received tons of backlash from fans for slimming down despite being an advocate for body confidence.

"I was frustrated about it because it really is evidence that as a woman in Hollywood, you just can't win," she said back in March, explaining how people went from calling her names like "bag of milk" to "hypocrite" when she started shedding the pounds.

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"I just understand that my body's changed. We live a long time, things happen."

lena dunham 2013-2017 getty images

Lena in 2013 (left) vs. Lena in 2017 (right).

One month prior, Lena stopped by The View to talk about her regimen — and it sure is a controversial one!

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“I’ve been losing tons of weight ever since [President Donald] Trump got elected. In fact, I drop weight with every move he makes. By the time his whole cabinet gets confirmed, I’ll be down to my goal weight, which is my birth weight,” she explained at the time.

Scroll through the gallery to see how much she's changed over the years!