While Starlight Glimmer is in Canterlot for a few days, a couple of ponies from Starlight's past arrive in Ponyville to entertain the locals but after seeing who lives there, they decide to cause problems instead.

A Glimmerverse Story

Twilight is an oddball and everypony knows it. Now they think she's just gone too far as she attempts to marry a chair.

Based on that Twilight Likes Chairs scene from Triple Threat by the way, obviously, duh.