Kenny Chesney pulled off surprising Kelsea Ballerini at her show at the Greek Theatre in Los Angeles, California, this week. She looked visibly shocked when he came out and even mouthed “what the ****.”

The pair then did a duet of “Half Of My Hometown.” After getting surprised, Kelsea said, “I’m really hard to surprise because I ask a lot of questions and I swear….NO IDEA!”