Bella Hadid and her boyfriend, Adan Banuelos, are back together, multiple sources exclusively tell Us Weekly. "The split was brief but needed," one insider shares. "They have been up and down since December, but she still cares deeply about him and wants to make it work." A second source tells Us, "Their relationship is a work in progress. They come from two different worlds. The source of their ups and downs is their contrasting careers and lifestyles, but they have a big love for each other.