Where’s the bigger picture [in] drop a line?
that crooked [90 degree] smile?  necessary, reads and flows better without. You need two more syllables here, but not any of the 4 you chose. "sneering" if you want it to be harsh... "mocking"... not sure what you're after...
It’s supposed to be celestial white- like that
ballgowns swaying in tumbling whirlwinds. - like that.