Prince George is getting so big!

The soon-to-be one-year-old celebrated Father’s Day on Sunday with Kate Middleton, Prince William and Prince Harry at the Cirencester Park Polo Club in Gloucestershire for a charity polo match. While our attention is usually on Kate, Prince George definitely stole the spotlight. The tiny tot took his first public steps while wearing a white polo shit, red overalls and navy shoes. The Duchess had a hard time keeping up with him as it’s clear from photos that this kid was on a mission. He played some soccer, saw some horses and even tried to get in on the polo action. But once his mom picked him up, he wasn’t too happy about it.

Luckily for Kate, she was appropriately dressed for running around with her son. Kate Middleton wore blue skinny jeans, a blue-striped shirt from Me + Em and white and beige loafers. She left her favorite Stuart Weitzman wedges and L.K Bennet heels at home, which was probably a good idea.

Prince George will turn one on July 22nd and we can only image what the family has in mind for the big day. We imagine it will be filled with stuffed wombats, lots of toys and a lot of running, so Kate and Will better get ready!

Scroll through the photos below to see Prince George running around and looking as adorable as ever.

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Whose outfit do you like the best: Kate Middleton or Prince George’s?

All images via Getty