Hilary Duff enjoyed a day with her son Luca at LEGOLAND in Carlsbad, CA on Monday.
The Younger actress took to Instagram to share a shot in which she smiles happily while giving the youngster a piggyback ride at the park.
“@legolandcalifornia with the other boss,” she captioned the shot.
Duff and her son were joined by her sister Haylie and her daughter Ryan.
While at the park, Duff to flip the switch on a 30-foot tree Lego Christmas tree at the 15th annual lighting ceremony.
The tree was created out of 245,000 Duplo bricks featuring around 400 Lego ornaments, theme park officials said. The tree also includes more than 11,000 LED lights.
The resort donated $10,000 on Duff’s behalf to Baby2Baby, which provides young, low-income children with basic necessities like clothing and diapers.