I dont know, I think a TCAs performance will create A LOT of buzz, no matter the ratings of the show, cause it gets a lot of media attention and a lot of people will watch it online. And an edgy performance of this "babymaking" song at a Teen show will be awesome!
It helped a lot with Party In The USA, Love You Like A Love Song... Even a lil promo gives Selena's singles big push. Look at GFY/The Heart with No promo. So it will help for sure.
And then even bigger performance with A$AP + 2nd single at the VMAs would be Awesome.
And about the iHeart festival - I dont think thats much of a promo. Its more about the fans and they already bought the song anyways. I dont want Selena at these events.
slay selena!!! seems like she keeps getting bigger. I was afraid pop wouldn't play but I hear it a lot in fact I heard it like 30 min ago on my way to work.
VMA is too far away 
