Rihanna stepped out in NYC to support big brother Jay-Z thursday night for the opening of the 40/40 at the Barclay Center, and she had a lot more in common with the big man HOV than hit records. Both artist elegantly sported the designer Acne Resort. Jay -z wore the designers customary sweatshirt as Rihanna flaunted her two piece get up of cream and white tie-die silk shirt and trousers. Rihanna's look is getting the HOT! vote from us!