The couple that travels the world together, stays together! In just a few short months, Mariah Carey and her billionaire boyfriend James Packer have traveled to Capri, Israel and even Malibu, Calif. But over the weekend, the Hollywood pair took their love to Ibiza for a special weekend trip. Wearing a long black dress with matching heals as Packer followed close behind. Things got a little hotter, however, when the "Hero" singer stepped foot on a boat where she showed off her bikini body. "I can stand up once again on my own she tweeted Sunday with series of photos. ...