updated 11/07/2011 AT 10:00 AM ET
•originally published 11/07/2011 AT 10:50 AM ET
Sporting a knit sheep-shaped hat and an adorable smile, Willow Sage enjoyed the swing set at a Malibu park on Sunday.
Mom Pink and dad Carey Hart (carrying a motorcycle helmet) happily pushed the 5-month-old at times.
They also caught up with another celeb parent – Minnie Driver, who was at the playground with her 3-year-old son Henry.