Rachel Roy, 40, shows off her derriere in tiny bikini on holiday in Barbados

Daily MailRachel Roy, 40, shows off her derriere in tiny bikini on holiday in BarbadosDaily MailAnd it looked like Rachel Roy took a page out of the her 34-year-old gal pal's book as she showed off her backside in a tiny swimsuit. The 40-year-old fashion designer - who used to be married to music executive Damon Dash - was spotted out for a ...