Green Day (@greenday on Instagram)

True love is beautiful no matter where you are...even teen mall haven Hot Topic.

On Saturday, Green Day held a signing at a Hot Topic in Hollywood, and two fans felt so moved that they decided to get engaged on the spot, right in front of Billie Joe Armstrong, Mike Dirnt and Tre Cool. Green Day captured the video and posted it on their Instagram, so we can all witness the ~feels~.

There's nothing like watching a punk trio watch a couple's proposal. Now, check out our interview with the rockers, who definitely don't play pop-punk: