Despite reports that Justin and RiRi are hooking up, a source close to RiRi tells us that Justin is calling Rihanna aksing her to tell him how to win Selena back!
Rihanna is acting like a big sister to Justin Bieber. An insider tells HollywoodLife.com that there's no hanky panky going on between Justin and Rihanna, and that Justin is actually the one calling Rihanna for advice.
