Thought experiment: How many famous people date busboys and cater-waiters? How many CEOs date Starbucks baristas?
People in Hollywood date other famous people. Successful people tend to go after other successful people. As much as generic 16 year old Jessica in Montana wishes, One Direction is not going to swoop out of the sky and date her.
It's of course nowhere near accurate or absolute those positions hold, but, social spheres (and intimate octahedrons) form around people of like interests and abilities.
There will always be a romcom to say otherwise though. CEO meets hostess. President of USA meets stripper. College professor meets checkout person at Target.