We thought it was suspect when she sold her album for 99 cents, but we can be assured it wasn’t due to disappointing tunes. Rihanna’s “Rated R” topped Billboard’s R&B charts and is being acclaimed as the pop-princess-turned-hard-edged-rock-diva’s most artistic compilation.

She’ll be celebrating her new hits on the East coast this week when she performs a special concert that will also stream live on Myspace tomorrow night December 3 and joins the set of SNL on Saturday December 4 as the hit show’s musical guest.