First, Harry Styles was spotted making out with a "mystery woman" at Glastonbury (she's since been identified) and now, Rachel Zegler is out here making out with a "mystery man." The place? Sabrina Carpenter's absolutely packed Hyde Park show. The time? This weekend! The person in question? Literally no idea, but judging by pics from the Daily Mail he is, respectfully, very good looking.

Here's what we do know: Rachel has been living in London while she stars as Eva Perón in Evita. There have also been rumors that she and her boyfriend of three years, Josh Andrés Rivera, broke up about eight months ago—though nothing was ever confirmed by the couple.

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But for what it's worth, they were pretty open about their relationship as of their Hunger Games press tour (reminder: they were costars). Rachel even told People on the red carpet, "Having a familiar face on any set, I think any young actor can attest, is the biggest form of comfort. And also as [Josh's] girlfriend, his friend, and his coworker, it's amazing to see the trajectory of his career, and to witness his rise to stardom. I love him so much."

Meanwhile, he added, "I feel really lucky. It was a really great source of comfort for me to have her with me so far away from home. We were in a different country. We got to explore that country together. It was absolutely lovely. I feel very fortunate. We have debriefs at the end of the day and we talk about it. It's acting and she's very good at it and she's very professional and she's a wonderful coworker. I think we were able to communicate when one of us was down. It was nice. We were good support for one another."