Beyonce's stepsister heaps praises on Beyonce's mom, Tina Knowles, calls her "bonus mum"

Ms. Tina Knowles-Lawson might be the biological mother to only two children, yet she has more people who consider her a mother to them. First, it was Kelly Rowland who referred to her  as her "bonus mother" during an interview where she told of how Tina Knowles helped her accept herself. Now, another person has referred to Ms. Tina as her bonus mother and this is coming from Bianca Jasmine