Underneath It All
by Present Perfect
"Quit shifting your weight!" Celestia groused, earning a hoof in the eye. Looking up, she could only see her younger sister's underside; yet another reason why she wished she were anywhere but here.
"Quiet!" Luna hissed. "You are meant to give me eminence. Eminence does not speak!"
"You could have been the Ghost of Hearth's Warming Past, you know," Celestia grunted, letting out an "umf!" as Luna's hooves shifted on her back once again. "But noooo, you had to be Future."
"The Ghost of Hearth's Warming Future is a character more naturally befitting our imposing self." Luna settled the cloak around them, obscuring all light other than that coming from Celestia's horn. "And the song is too low for your range, sister."
"If by 'low', you mean 'gothy'." Celestia got another hoof in the face. "Hey! That was on purpose!"
"Hush, eminence! Our cue is nigh!"