In PEOPLE's exclusive sneak peek at part three of Julianne Hough's appearance on 'The Jamie Kern Lima Show,' she discusses what it was like seeing her ex-husband Brooks Laich and his girlfriend Katrín Tanja Davíðsdóttir together at a wedding.
https://people.com/julianne-hough-reacts-to-seeing-ex-husband-with-his-…