Poor Kylie Jenner ended up in hospital after injuring herself while messing around on the family’s trampoline with big sis Khloe.

The 16-year-old wrote on Instagram: “in the hospital thanks to @khloekardashian. (Look at her page for the reason why) my mom said “never thought I would take u to the doctor for a trampoline accident at this age) this means war Khloe. Ps. It was painful taking this photo.”

The youngest Jenner was messing around with the 29-year-old before she fell and hurt her back. The fun has apparently “ended in a war” between the lookalike sisters.

Khloe wrote: “This started out calm and ended in a war! Sorry @kyliejenner!”

In retaliation to her sister placing the blame on her, Khloe then posted up a collage of the two on the trampoline to show that it wasn’t actually her fault.

She wrote:  “Kylie this is proof you did it to yourself! Sorry not sorry! Just kidding I am sorry my little bug a boo!! Let the war continue. LOL I love you @kyliejenner.”

Get better soon, Kylie!