27 Photos People Regretted Posting Before Checking the Background

When you’re forgotten in the group photo

Pure slumber party fun! There’s hardly anything better than goofing around in pajamas with your best girlfriends, posing together in front of the mirror, and capturing the best moments in pictures. On the left, one of the girls is pressing the shutter button – everything seems to be going perfectly. But then… the mood suddenly takes a nosedive.

Who’s this creepy onlooker? Invited or not: her face sends shivers down our spines. Maybe the party gals should keep a nightlight by their beds tonight – after all, not every guest is ready for an invite.