The 5SOS guys are having some Halloween-themed fun on social media.

Luke, Michael, Ashton and Calum decided to dress up as an '80s hair metal band, complete with bandannas, leather, and eyeliner. Oh...and they changed their name to 5 Seconds Of Sexx:

Each 5SOS member created a brand new persona. It's nice to see celebs not take themselves so seriously. They look great!

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