Roger Friedman of FoxNews.com reports that before heading to South Korea on her world tour, Mariah Carey had a reunion last night with old boyfriend and New York Yankee shortstop Derek Jeter at the Regent Ballroom. The pair were there for Jeter’s charity, the Turn 2 Foundation. Mariah had been invited by Derek’s sister, with whom she is still friendly. “Derek announced all the celebs in the audience,” a source revealed, “running down the list matter of factly. He called out Mariah’s name just like that, Mariah Carey, as if nothing had gone on between them. But you could feel the buzz. It was like Marilyn Monroe and Joe DiMaggio meeting up again.” Read more.