Heres how it works:

One person will say a celebrity's name, the person below will say what they think that celebrity's pmc account would be named if they had one, then pick a random celebrity for somebody else to answer to.

Example:

Person 1: Justin Bieber.
Person 2: iPeeInBuckets345. Paris Hilton.

And on, and on.

The first celebrity is
Miley Cyrus