Level 9 gymnast by the age of 12 whose YouTube channel focuses on gymnastics and giving back to those in need. She is also popular on the lip sync app musical.ly with over 1.3 million fans on her sydney1227 account.
She has been doing gymnastics since she was 2 and began appearing in commercials and TV shows when she was 5.
She appeared on the A&E series Panic 911 in 2012.
Her full name is Sydney Herz and she was born in Baltimore, Maryland to parents Paula and Mike. She has a twin brother named Luke whose appeared in her videos before.