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Roseanne Barr took a nasty spill at San Francisco’s Golden Gate Park on Tuesday.

The comedian, 63, shared the news (and a graphic image) on Twitter Wednesday, revealing she will undergo surgery on Monday.

“Guys, I slipped in GG park in SF wh visiting my son, broke my kneecap in 3 places,” she tweeted. “My sister was w me, took control of situation. Surgery Mon.”

Barr also thanked first responders who transported her to a hospital. “I really want to thank the very kind & wonderful #SFParamedics who had to cart my fat ass out of Golden Gate Park over 2 hospital yesterday!”

As a result of the nasty spill, Barr will be on bed rest and crutches for three months.

She later posted a video of her getting up from a restaurant table wearing a massive knee brace and using a walker.

Her video caption explained it all: “S–t!!!!”

Barr’s knee injury comes a year after the news that she’s going blind due to macular degeneration and glaucoma.