Um, Jake Miller Was A Playboy Bunny For Halloween? What?

See, you aren't the only one hanging your head in shame over a costume fail.

Looking back on all the Halloweens that have come before, it's pretty safe to assume we've all had that one Halloween costume that we still regret.

Some you can blame on your parents (a bad sewing job, for example), while others were just the result of jumping on the fad of the moment.

RELATED: Here Are The 33 Best Celebrity Halloween Costumes Of All Time

But at least you're not the alone. Unfortunately for these celebs, we convinced them to share the spooky stories of costumes they'd rather forget. Watch the video to find out what made Meghan Trainor cringe, how Jake Miller became a Playboy bunny, and how not dressing up at all made for the worst Halloween night Taylor Momsen has ever had.