India, Sept. 2 -- J ustin Bieber knows how to steal the spotlight - even at someone else's big day. The pop star recently surprised an Indian bride at her Los Angeles (USA) wedding, and the videos of his unexpected appearance have gone viral. In the clips, the bride and her guests can be seen squealing with excitement as Bieber makes a casual entrance wearing a white T-shirt, blue shorts and a statement blue fur jacket. The 31-year-old happily mingles with attendees, poses with the bride and bridesmaids. Fans flooded the comments as expected. With one writing: "He's the sweetest." Another saying, "She is so lucky - best surprise and wedding gift for her." A third commenting, "Aww, this is so sweet. If I were her, I would have sobbed!" Long-time fans also remembered his earlier wedding cameo - in 2013, when he and then-girlfriend Selena Gomez gatecrashed a Malibu wedding after hearing One Less Lonely Girl being played. htc...