There have long been rumors that Katie Holmes and Jamie Foxx are linked romantically ... so are they actually an item? In this week's issue of PEOPLE, multiple sources confirm the pair have been spending time together for well over a year – but it's nothing serious. "This is not some intense romance," a source with knowledge of the situation tells PEOPLE. "Jamie and Katie are friends and have been for a long time. They are two adults who are attractive and single, and so apparently conclusions will be drawn."