Rainbow Dash is a mare of many talents, among them incredible passive observation skills. Once she no longer worried about getting her chance to ride the most amazing roller coaster that ever was like any proper Wonderbolt, she could take the time to process everything her brain noticed while she was busy.

That's when the family resemblance hit her.

Then some other things.

This is going to be awkward.

Rated Teen for frank discussion of the production of Trixie.