Rihanna's Reb'l Fleur NYC Launch Event

She’s been non-stop since her arrival yesterday, and Rihanna was spotted out and about in New York City on Friday (April 29).

The “Most Beautiful Girl in the World” songstress looked smokin’ hot in a black and white ensemble as she made her way to her Reb'l Fleur Fragrance Launch at Macy's.

Last night, Ri-Ri was honored for her continued support of charities that help fight leukemia

She was toasted during the annual DKMS Linked Against Leukemia event held at Cipriani Wall Street .