We haven't linked much to Lainey, but here are a couple of perceptive pieces:
Suggesting that TS is deliberately withholding the official insta debut on her account until there is nothing much going on and it will be a story in itself: http://www.laineygossip.com/On-Tom-Hiddlestons-problematic-relationship-with-Taylor-Swift-and-how-its-affecting-his-supporters/44319
And why it's not performance art: girl, you ain't no Bey: http://www.laineygossip.com/First-official-photo-of-Taylor-Swift-and-Tom-Hiddleston-released-on-friend-Britany-Maacks-Instagram-with-Ryan-Reynolds-and-Blake-Lively/44315