GlitterFleshGum asked if Tiny Twi had ever met Shining Armour and Cadence, and without a doubt they would have! In the show though we don't meet the pair until A Canterlot Wedding, so instead of leaning too far out from canon and ultimately changing the /entire/ canon timeline, why not have them meet then?

Wherever Twilight went, Tiny Twi wasn't too far behind (for better or worse), so it was inevitable she'd not only tag along for the wedding preparations, but she'd steal the show while doing so. Shining Armour's a big fan of his baby sister, and when he sees Tiny Twi, he's overjoyed! He has TWO baby sisters now, can you say best wedding gift ever??! Having Tiny Twi around was a great comfort for both a stressed and strained Shining Armour and a suspicious Twilight. Our humble Chrysalis, disguised as Cadence, was less than pleased though. Sure it provided her with more love to feed from, but she was supposed to be in the spotlight! Not this little.. robot. creature. For all she knew too it could foil her plans- who knows what this piece of technology is capable of…