Mariah Carey's boyfriend is 'like a second dad' to her kids but can't 'replace' Nick Cannon (exclusive)

After Mariah Carey and her boyfriend Bryan Tanaka spent Christmas with her 11-year-old twins, Monroe and Moroccan, fans were curious about Bryan's role as a figure paternal in the relationship. Questions have arisen as the children's father, Nick Cannon, did not celebrate the holiday with them and recently welcomed his 12th child with one of his five other mums. However, a source EXCLUSIVELY told Hollywoodlife that Bryan has a close relationship with the twins, but all parties involved understand...