'Best day ever': Kelly Clarkson shares adorable pics of baby River Rose at zoo

Kelly Clarkson's adorable baby girl met some "wild" new pals this weekend.

River Rose, who turns 1 next month, took a trip to Australia's Symbio Wildlife Park on Sunday and her proud mom shared several sweet family photos, featuring kangaroos, koalas and other Down Under animals.

"First day in Australia spent at the @SymbioWildlifePark. Best day ever! River made lots of friends. Check this place out! #symbiozoo," Clarkson captioned a collage of images on Instagram.

Shortly after, she posted another set of pictures documenting River's encounters with four-legged creatures, writing, "More good times at #symbiozoo River loves animals!!"

More good times at #symbiozoo River loves animals!!

A post shared by Kelly Clarkson (@kellyclarkson) on

River is the first child for Clarkson and her husband, Brandon Blackstock.

In an interview with People earlier this year, Clarkson called River the "happiest baby on the planet."

"My whole world took a big 180," the singer added. "I never thought I was going to be a mom, so it's very much changed my world in the most awesome way."