Taylor Swift and Calvin Harris have been dating for a few months, but the lovebirds finally made their debut as a couple on Instagram yesterday. It MUST be serious!

The 25-year-old singer posted the pic and simply captioned it, "Swan goals," and we can't tell if it was from her place or his, but it looks like the two were having a blast in the pool. The other day Taylor gave her main squeeze (along with pals Gigi Hadid and Karlie Kloss) a shout out for National Best Friends Day and wrote, "I took a photo of my favorite people — they were laughing so hard, the lens couldn't capture it fast enough."

The two first made a connection at the 2015 Brit Awards in February, and by March they were already seen holding hands after a Haim concert. In April X17 photographers snapped Calvin leaving his lady love's home after a sexy sleepover, and since then we've caught them at several concerts. But it's not ALL about going out. “He’s happy to stay home with her and not be on the scene,” an insider tells Us Weekly. “They spend a lot of nights watching Netflix and catching up on shows they never get to see — they’re really into each other.”

Sounds perfect!