HOME Back to school: Reese Witherspoon and more share photos of their kids' first day Septiembre 09 of 2015 - 07:39 EDT by HOLA USA! Galería: 8 Fotos 1/8 It's back to school for the kids. Reese Witherspoon, Busy Philipps and more proud celebrity parents sent their kids off on their first day, but not before sharing a photo of the moment. 2/8 Proud dad Robin Thicke shared this photo of his son Julian on his first day of Kindergarten. Photo: Instagram/@RobinThicke 3/8 Busy Philipp's oldest daughter Birdie started first grade. Busy also shared that she wasn't able to cry because they were running so late! Photo: Instagram/@BusyPhilipps Prev1/3Next More about: Back to School Photo Galleries Reese Witherspoon Busy Philipps Robin Thicke