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From Red To Green To Gray, See 5SOS’ Michael Clifford’s Hair Transformation

See every color Michael's had since 5SOS' debut album.

Ever since their 2014 self-titled debut album, 5 Seconds of Summer have only gotten bigger and better. Over the past year, they've established a super dedicated fanbase, started their own record label, embarked on their first worldwide headlining tour, and basically seem to have found their footing as a band.

That's a lot of change -- and it's all fueling the excitement for their sophomore album, Sounds Good Feels Good, which drops on Friday (Oct. 23). Fans have already gotten a promising taste of what to expect with the singles "She's Kinda Hot" and "Hey Everybody," setting expectations sky-high.

Not only are 5SOS bound to sound different (better, even) on SGFG -- but they've also changed a lot individually over the past year. No more so than guitarist Michael Clifford, who has an amazing penchant for changing his hair color on the reg. So to celebrate how far 5SOS have come since last year, we're recapping Michael's hair transformation from their first album up until now. Check it out:

On June 27, 2014, 5SOS released their debut album. Here’s green-haired Michael on that very day, posing alongside the rest of his fetus-looking bandmates (holy #TBT!).

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5 Seconds Of Summer - Photocall

And here’s a better look at those green locks three days later.

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5 Seconds Of Summer Sign Copies Of Their Self Titled Debut Album

By July, Michael still had the green hair in tact, but its green-ness was starting to fade every so slightly.

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5 Seconds Of Summer Perform On NBC'

On Aug. 23, he stepped out with some luscious purple hair. Lavender, if you will.

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One Direction

Just a day later, he went light blonde for the VMAs.

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2014 MTV Video Music Awards - Arrivals

But by the next week, he had dyed his mane a fiery red.

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iTunes Festival 2014 - 5 Seconds Of Summer

It stayed that way for the rest of September…

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2014 iHeartRadio Music Festival - Night 2 - Press Room

…and even going into November.

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Five Seconds Of Summer Sighting

Until December 2014, when he went gray.

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Hot 99.5'

JK, JK — that was just part of 5SOS’ hilarious “Retirees Gone Rogue” video, where they dressed up as adorable old people and raided Target.

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Hot 99.5'

By year’s end, things were looking a little less neon — the red mane had turned slightly darker.

New year, new hair. In March 2015, Michael went back to a gray-purple hue.

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Celebrity Sightings In Los Angeles - March 02, 2015

And by the end of that month, he was back to blonde.

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Nickelodeon'

(But he kinda sorta returned to slime green for a hot sec at the Kids Choice Awards).

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Nickelodeon'

In May, he went full-on gray… and ROCKED it.

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BBC Radio 1'

He debuted jet black hair on Instagram.

And it stayed dark all throughout June.

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By the next month, he embellished his dark mane with some blue and red strands.

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5 Seconds Of Summer And Hey Violet Perform At Irvine Meadows

And by August, he had put feathers in there.

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But in early October, he went back to blonde (again). Only this time, it was a little less platinum.

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One Big Night For BBC Children in Need with Tom Jones and Rob Brydon

As of this week, he's still got those honey-colored locks. And we’re into it… but we won’t stay attached for too long.

5SOS fans, which of Michael’s hair colors is your fave? Tell us in the comments!