Fans of Justin Bieber are coming to the singer’s defense after a video showed him in a seemingly heated moment with his wife, Hailey Baldwin, in Las Vegas. In the clip, reportedly filmed after a surprise appearance by Bieber with Diplo at the XS nightclub at the Wynn on Saturday night, the "Peaches" singer, 27, can briefly be seen with Baldwin, 24, in the midst of his entourage, animatedly exchanging words.