Brandy and Monica were just teenagers when they released their Grammy-winning hit “The Boy Is Mine.” Fourteen years later, the ladies are back, looking more glamorous and beautiful than ever in the behind-the-scenes teaser for “It All Belongs to Me,” their Rico Love-produced collaboration. The video, directed by Chris Robinson, was shot at a palatial mansion in the Los Angeles area and will premiere March 5. Get a sneak peek below.