Keith Urban has had his fair share of strange interactions with fans. When asked about his wildest moment with a fan during his recent appearance on "The Kelly Clarkson Show," the 57-year-old country singer recalled the time a fan threw an unexpected item on stage for him to sign.

While appearing as a guest on The Kelly Clarkson Show, Keith Urban revealed one of the craziest moments he’s experienced while performing: a fan throwing their prosthetic leg onstage. Clarkson asked the country singer if there “had ever been a crazy moment when things went awry” during a show.