As if the “love triangle” between Chris Brown, Rihanna and Karrueche wasn’t dramatic enough, here’s more fuel to add to the fire. Remember Ester Dean? Well if you don’t, she’s the chick that wrote songs for Christina Aguilera, 50 Cent, Machine Gun Kelly, Beyonce, Dr. Dre, Lil Wayne, and of course Rihanna & Chris Brown. But why is Ester Dean relevant in this situation? Find out how “Right By My Side” was actually written for Ri and Chris. Wild.. Biz Baby