Jamie Lynn Spears

The letter demands that Jamie Lynn Spears stop 'publicly airing false or fantastic grievances' about her famous older sister.

The pop superstar and her country singer and TV star little sister got pulled into a very public feud surrounding the release of Jamie Lynn's memoir.

She was 16 years old when she revealed that she and boyfriend Casey Aldridge made a baby.

Taking to Instagram, the younger Spears clapped back hard.

Jamie Lynn Spears is speaking out after the release of a documentary about her sister.

"I've faced my worst fear now," she says.

Eleven-year-old Maddie is fine, just appears she won't be exercising her wrist for a little while!

"Mama’s going back to work y’all," she says.

"Don’t come for me or the ones I love anymore."

He was found passed out in a car.