http://www.fastcocreate.com/3059033/why-the-new-taylor-swift-apple-spot-isnt-a-toothpaste-ad

Going back to JVR's tweets calling out the ad agency's plagiarism on her Apple ads, this article proves there was no ad agency involved, the concept originated from TS herself.

"There was no ad agency on this campaign, just Swift, Jackson and director Anthony Mandler...... Taylor came to us with an idea, and I protected it for dear life, because it's that good."
Ahem

While on the subject of backtracking, fellow SI castmate Jason deleted his tweets in support of KK