I love Rihanna, but Aaliyah was the better singer, the better dancer, the better performer and the better actress.
EDIT : Reading these comments, Aaliyah's vocals seem to be pretty underrated. Her extremely low notes ('Are You That Somebody', 'Death of a Player'), her runs/ riffs and her head voice >>>>>>>>>>>>>>>>> careers
I honestly think her "underrated" vocals are "overrated".
I can't stand all the 'let her rest in peace' comments.
I am happy that 13 years after her passing she's still being remembered and talked about on a Pop music forum. She absolutely deserves to be. So many people here didn't know her when she was a live and thanks to forums like these they do.
I guess it's all about education. My boyfriend is a prolific Rihanna stan but he didn't even know "Jump" was taken from "Ginuwine's P.O.N.Y." who was in the same camp as Aaliyah. He just missed that whole era, and it was amazing.