Bindi Irwin celebrated her 24th birthday with a hilltop family picnic.

The Australian zookeeper shared pictures of the intimate event on Instagram.

These pictures included snaps of Bindi with the Irwin family.

The guests included her mother, brother, husband, and daughter.

The conservationist expressed gratitude for each family member in the post's caption.

Bindi's husband, Chandler Powell, penned a touching tribute to his wife.

Bindi's brother, Robert, also dedicated a sweet birthday message to his sister.

Terri Irwin, the zookeeper's mother, shared her birthday wishes on Twitter.

The doting mother revealed a precious memory about Bindi's birth.