Overview
- Kimmel, who posted on Tuesday, April 21, said on Instagram that Billy is doing great as he turned nine.
- He thanked care teams at Children's Hospital Los Angeles and Cedars-Sinai and asked followers to donate $9 to support kids' health services.
- Billy was born in 2017 with Tetralogy of Fallot, a congenital defect with four heart problems that limit blood flow and oxygen.
- He has undergone three open-heart surgeries, most recently in May 2024, after which Kimmel said you would not know except for the scar on his chest.
- Congenital heart disease affects about 1 in 110 babies, and Kimmel’s public updates have helped draw attention and donations to pediatric cardiac care.