The 39-year-old took to Instagram over the weekend and shared a quote that read "Take me as I am or kiss my a**, eat s**t and step on Legos," with a lengthy caption.
"For those of you who choose to criticize my dancing videos ... look I'm not gonna be performing on any stages anytime soon with my dad [Jamie Spears] handling what I wear, say, do, or think," the "Lucky" singer began. "I've done that for the past 13 years ...
"I'd much rather share videos YES from my living room instead of onstage in Vegas where some people were so far gone they couldn't even shake my hand and I ended up getting a contact high from weed all the time ... which I didn't mind but it would have been nice to be able to go to the mother f*****g spa."
"And no I'm not gonna put on heavy makeup and try try try on stage again and not be able to do the real deal with remixes of my songs for years and begging to put my new music in my show for MY fans ... so I quit !!!!" Spears continued.
The Crossroads actress also went on to blast sister Jamie Lynn Spears for seemingly performing a medley of her music at the Radio Disney Music Awards in 2017 with Kelsea Ballerini, Sofia Carson and Hailee Steinfeld: "I don't like that my sister showed up at an awards show and performed MY SONGS to remixes !!!!!"
"My so-called support system hurt me deeply !!!! This conservatorship killed my dreams ... so all I have is hope and hope is the only thing in this world that is very hard to kill," Spears continued.
The mom-of-two then slammed documentaries about her life for bringing up "humiliating moments from the past," noting, "I'm way past all that and have been for a long time !!!! And for women who say it's weird the way I still have hope for fairy tales ... go f**k yourself."
"As I said ... hope is all I have right now ... you're lucky I post anything at all ... if you don't like what you see, unfollow me !!!" Spears added. "People try to kill hope because hope is one of the most vulnerable and fragile things there is !!!! I'm gonna go read a mother f*****g fairy tale now !"
Fans and pals rushed to offer support for the "Womanizer" singer.
"Speak your truth queen!!! You can come perform in my living room any day!!!" Nicole "Snooki" Polizzi said.
Following her big sister's scathing post, Jamie Lynn posted a mirror selfie with the cryptic (and since-deleted) caption, "May the peace of the Lord be with you, and your spirit ✌🏻❤️." Shortly after, the MMC alum shared a post of her own with a caption that read, "May the Lord wrap your mean a** up in joy today."
Spears' post comes not too long after she spoke up in court again about her conservatorship. After her court-appointed attorney, Samuel Ingham III, stepped down earlier this month, she was allowed to hire Mathew Rosengart.
Speaking via phone call last week, Spears asked that her father be removed from the conservatorship and investigated. She also said it was "f*****g cruelty" and alleged that she thought that those inside the conservatorship "were trying to kill" her, CNN reported.