Did you catch these sneaky cameos on Swift’s latest album?

It’s nice to have a friend or inTaylor Swift’s case, several.

But there’s also a famous face playing the drums:Dylan O’Brien.

Zoe Kravitz and Dylan O’Brien

Zoë Kravitz and Dylan O’Brien.Dimitrios Kambouris/WireImage; Alberto Rodriguez/Peacock/NBCU Photo Bank via Getty Images

The collaboration of sorts doesn’t end there, though.

Later onMidnights, in the track “Question…?”

But 15 seconds later they were clapping, too?"

As he’s done in the past, Antonoff also lends background vocals to several tracks onMidnights.

Alwyn previously co-wrote songs for Swift’s albumsFolkloreandEvermore, allunder the alias William Bowery.

Over 13 songs, it charts the course of 13 sleepless nights throughout Swift’s life.

Midnightsis available to buy and stream now.