Clean Luna (sketch) (Patreon)

Every Princess has to be clean, doesn't she?)
Except that not every princess thinks so X) 

And just a little sketch of my other idea with Luna and Celly.  

P.S: I apologize for spamming Celestia & Luna pictures, that would be the third this month ^^
It's just rare that I get a chance to draw multiple pictures featuring interactions between the same characters, so I wanted to draw a few for a change, and Tia and Luna would be one of my favorite duos to draw interacting with each other))  
I really hope it's not a problem ^^