Taking to Instagram, the 42-year-old shared a gorgeous tribute to his daughter Scout – who he shares with former co-star Jessica Marais – as she attends her first day of school!
The star also posted a second photo of the five-year-old beaming as she stood between her dad and 33-year-old mum.
"First day of school! So much love, so many tears. 🤦🏽♂️❤️," Stewart captioned the pictures.
Stewart and The Wrong Girl actress welcomed their little girl to the world in 2012, three years before calling off their five-year engagement in May 2015 – but the two remain amicable.