Actually there was this one time, where I was cleaning out my closet and the funniest thing happened.
There was a dress in there and it was really well done - you could tell it was hand stitched, and there were shoes and decorations, but it all looked like it was meant for ... well it wasn't meant for a human to wear. I knew it was a dress, but it would have fit more like a cloak I guess, and the shoes were too round.
... I'm pretty sure that I think ... well, I'm ... I might have been a pony in another life.
RD seems close enough to Rainbow Dash to me... I mean, if you wanted it to, then it's probably true.