Zach Bryan and Samantha Leonard have officially tied the knot. The couple held their wedding ceremony in San Sebastian, Spain, TMZ reports.The Pink Skies singer, 29, confirmed the news by posting a photo on Instagram of him carrying Leonard, 28, as she wore a strapless wedding dress."Tougher than the rest," Bryan captioned the photo.In the next slide of the Instagram post carousel, Bryan shared a video from the wedding where he is seen singing Bruce Springsteen's song Tougher Than the Rest on stage.