Talk:Twilight Sparkle/@comment-7345250-20160529195005/@comment-27161581-20160602194743

Assume Twilight Sparkle hasn't changed her dietary habits since becoming a princess.

Since pegasus ponies use their wings to fly, they have to flap, so they end up using more calories than say an earth pony, or possibly a unicorn, due to them fighting gravity constantly.

Twilight Sparkle is losing weight due to the use of her wings, hence the whole slimming up. Furthermore since her flying isn't as refined as a natural pegasus, as evidenced by comparing her's and Rainbow Dash's flight, she burns calories even faster.

It totally isn't a drawing oversight. Or a shift in design paradigms.