I don't personally know any leap year babies, but am aware that Hololive's Bae is one. She celebrated yesterday since it was the 29th in Australia (where she is from) and Japan.I was going to say Bae too.
I was going to say Bae too.
She performed this concert live for her birthday if anyone's interested.
https://www.youtube.com/watch?v=TQSikoeVXoE