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Things might be getting serious between Joe Jonas an Sophie Turner, because she's already his +1 for weddings!

The two were spotted at a wedding for Margo Paul and Matt Petroff -- who appears to have worked for the Jonas Brothers in the past -- together in Malibu on Sunday (below).

The DNCE singer and the "Game of Thrones" star did little to distance themselves from dating rumors at the event, where they were seen goofing off together inside a photo booth.

"Matt and Margo got married last night and it was the perfect and this is our lovely table #petrofftothealtar #table5baybay," one wedding goer captioned the shot, which Nick Jonas re-posted.

This isn't the first time the pop star has been spotted with the gorgeous 20-year-old star.

The duo first sparked dating rumors earlier this month when they were spotted at a concert in Rotterdam, Netherlands together, and were snapped together by another Instagram user over the weekend (above).

Do you think these two are dating? Sound off below and check out the gallery above to see more pop stars then and now!

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