The last time Rihanna and Calvin Harris made a song together it led to Rihanna’s longest-charting No. 1 hit (unlessâ€Work†returns to the top), and one of her best music videos to date. So it’s only right to assume that lightning can strike twice, right? That’s exactly what they’re hoping for with “This Is What You Came For,†their first new song together since 2011’s “We Found Love.†The song, an even more house-infused banger with Rih’s voice at the fore, comes less than two weeks after they performed their first hit together at Coachella, during Calvin’s headlining set. But wait just a damn second — rewind to that weekend in the desert and you may remember Taylor Swift’s bleach blondness stealing the show. But did you happen to notice something else in the photo in which she debuted the new look? That’s right, Tay was wearing a bomber with the cover art to her man’s new single all along. Sly one that Swift is. Introducing your new Song of Summer contender: