Photo: Getty Images

Kylie Jenner ended up in the hospital Tuesday (Feb. 4) following a playful afternoon on a trampoline with older sister Khloe Kardashian.

Kylie posted a photo to Instagram in which she's clutching her face, and wrote:

"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"