yes!!
Chris Brown never dated Keisha Chante. They became friends after he went on the Exclusive! Tour in her native Canada. Chris Brown is still dating Rihanna. The whole him dating Keisha Chante thing was...
No they are not related at all.
one and a half years
yes they date that's the reason Rhianna broke up with Chris brown because she found a text message from keshia on his phone