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On another camping trip, Rarity has to go to the bathroom. But rather than try to hold it the entire trip, she just lets it all out in her fancy shorts, and seems to like it. Applejack questions how ladylike Rarity really is if she deliberately wets herself but she loves her even if she messes herself.
 
This will be the last pee edit today, I don’t want to flood the new images with it. (Pun intended)