NEW YORK (AP) — Rapper Flo Rida has pulled out of his guest appearance at the "Miss USA" pageant later this month and Macy's has dumped Donald Trump, part of the continued fallout over the GOP hopeful's remarks about Mexican immigrants during his presidential campaign announcement.A representative of the platinum-selling rapper confirmed that Flo Rida won't be performing at the July 12 pageant in Baton Rouge, Louisiana.