"Deckerstar" is the fanmade portmanteau nickname for Chloe Decker + Lucifer Morningstar.
Ella Lopez wears a t-shirt that says "I'm a little Devil."
Episode title spoken by Lucifer.
This episode is the first time we hear the popular "ship" name for Chloe & Lucipher spoken. "Deckerstar" = Chloe Decker + Lucifer Morningstar.