Ashlee Simpson's babies are growing up so fast!

The 32-year-old and her husband, Evan Ross, 28, took the kids to Disneyland to celebrate her [and Pete Wenz's] son, Bronx's upcoming eighth birthday.

MORE: See What Jessica Simpson's Children Look Like Today

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@Disneyland love love love this place. Magical

A post shared by Ashlee Simpson Ross (@ashleesimpsonross) on

"Love, love, love this place. Magical," she wrote on Instagram.

Ashlee was married to Bronx's father — a member of rock band Fall Out Boy — from 2008 through 2011, then she married the Mockingjay star in 2014. She and Evan welcomed a daughter named Jagger Snow last July.

See more of their adorable family photos in the gallery!