Even our fave hot guy celebs have some bad hair days, whether they're rocking intentionally silly styles or have really funny outdated 'dos in flashback pics! Our jaws dropped when we saw Zac Efron's crimped hair in a throwback pic that surfaced online, but he's not the only hot guy to surprise us with a funny hairstyle.
We rounded up our fave pics of guy celebs having totally strange hair moments, and some of them are seriously LOL-worthy. From Austin Mahone's totally silly trip to the hairstylist to One Direction's (super rare) weird hair days, we couldn't stop smiling over these hair-raising pics.
Click through the gallery above to see our fave hot guys' silliest and strangest hair moments ever! Which pics made you LOL? Share your thoughts in the comments section below!