10/19/2016 10:42 EDT

Xavier Trudeau Birthday: Mom Wishes Him Happy Birthday With Candid Shot

"9 years old today. Please stop growing so fast!!!!"

October 18 is a big day in the Trudeau household. Not only was it Pierre's birthday, but it's also the day their son Xavier was born.

On Tuesday, Sophie Grégoire Trudeau wished her oldest son a very happy birthday by sharing a sweet photo of Xavier and his little brother Hadrien.

We love how candid the shot is. It looks like they're taking a break for a snack after playing at the park. Neither are wearing shoes and Hadrien is munching away on a boiled egg.

"To my eldest puppy Xavier... you are my love," wrote Sophie. "9 years old today. Please stop growing so fast!!!!"

Xavier has indeed grown up alongside his father's political career. It seems like just yesterday he was a baby and in Justin Trudeau's arms while the future Prime Minister gave a speech following his election as MP back in 2008.

And just last year, Xavier nearly shared his birthday with the federal election!

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