Agu Fungus 
Speaking of Panty:
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Description
O_O
Comments
10 comments posted
Mooncalf
“We… don’t usually wear clothes. But when we do, we’re supposed to dress gender-appropriate!”
Splinter17
Rarity talks to Pinkie about her crossdressing brother.
EQUINE_excite
Rarity is expanding into the music industry with her new song, “Brother, Get Dem Panties Down.”
Background Pony #F5A0
Well put them back up, Rarity!
Background Pony #D1ED
Pinkie is being friendly with Rarity by calling her brother, tells her that her panties are down, and Rarity thanks her for pointing it out to her.
Background Pony #9817
Even Rarity is confused at the caption.
Prince Leaf 
Ummmmmmmmm… Rarity? Is there something you’re not telling us?
Prof.NightJack 
Gizmonics Scientist
What WHAT WHAT!
mana the immortal 
Some Weirdo
Rarity say WHAT?