Taylor Swift returned to Instagram on Thursday, after going radio silent for months, to support her best friend, Selena Gomez. Swift captioned a post, alongside a photo of Gomez?s recent cover art for her new single, ?Fetish,? ?Sultry pop magic from this dreamy almost-birthday-girl.? Gomez debuted her sexy new single on Thursday, which she co-wrote, after teasing the new track for weeks.