updated 12/11/2012 AT 4:00 PM ET
•originally published 12/12/2012 AT 2:30 PM ET
“Llama kisses!” she Tweeted on Friday, sharing a photo of her up-close-and-personal encounter at the San Diego Zoo, which she visited with Shelton over the weekend.
The country couple also got acquainted with one of the zoo’s big turtles, with Lambert – who took home three guitar trophies at Monday’s American Country Awards – posting another photo of what she dubbed the pair’s “zoo date.”
“We had a blast at the San Diego zoo!!!!” she wrote. “Thanks so much.”
The trip comes as no surprise for fans of the duo, whose love of animals has been well-documented. Lambert and Shelton plan to spend the holidays with their six rescue pooches, each of whom will receive a gift-wrapped present.