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The 'How Deep Is Your Love' DJ has been around for some time now, so it's easy to forget just how much he's changed! Relive his early days right through being one of the hottest celebs of the moment.
...and may we say rocking an excellent fringe! Picture: Instagram
My, how you've changed Mr. Harris! Picture: Twitter
The star opted for the scruffy-but-cute look when he first appeared on the music scene in 2007 with his single 'Acceptable In The 80s'. Picture: Instagram
If it weren't for his big grin, we're not sure he could pull off this... unusual green and purple jacket! Picture: Instagram
Tall and slim, the DJ was world's away from the Armani model that we know him as now! Picture: Getty
Calvin sported some space-age goggles during the promotion for his 2009 album 'Ready For The Weekend'.
The 'Feel So Close' DJ was starting to look noticeably sharper at the Capital Jingle Bell Ball back in 2011.
After producing and co-writing Rihanna's 'We Found Love', Calvin found himself spending a lot more time in the States. And by the looks of him, it seemed to suit him well.
He's bulked out! The popstar made sure that the next time we saw him at our Summertime Ball he would be almost unrecognisable. Putting on some muscle has made him even more handsome. Pictures: PA
In the year that he was nominated for British Male Solo Artist, Calvin Harris said that he thought good ol' Olly Murs should pick up the gong. In the end, Ben Howard stole the award from both of them but hey, Calvin looked HELLA HOT in a smart black suit so it wasn't a complete loss. Picture: Getty
The DJ showed off his newly-toned bod while shooting the video for his song 'Summer' and seems to have been hitting some SERIOUS gym hours over the past year or so.
Someone looks SO incredibly happy to be backstage during festival season. Hey, he is the hottest DJ in the World so it's not surprising. Picture: Instagram
"Wolfy @aarikagerette #Blame" Pictrue: Instagram
Life of a popstar is such hard work. Calvin Harris was spotted boarding a private jet against the most beautiful sunset. And he's not bad looking either. Picture: Instagram
We can't blame them. Just LOOK at those abs! Picture: Splash
'On tour but also training for next Armani shoot! Staying in a gym routine while on the road is tricky, but as long as you don't drink, eat well, sleep enough and take one of those mad little ab rollers with u everywhere you'll be good' Picture: Instagram
Sorry, but can we just take a moment to realise how BIG HIS FEET ARE! Picture: Emporio Armani
"Need more stepladders #Armani #BehindTheScenes #LaughingAboutSomething" Picture: Twitter
Calvin is looking SERIOUSLY buff these days and we're enjoying EVERY minute of it. Picture: Armani
Because who doesn't love a set of abs on the cover of your Sunday magazine? GIMME. Picture: Instagram
We're not sure if the location shows off his figure, or his figure MAKES the background that bit more appealing. Either way, he looks HOT. Picture: Instagram
We STILL cannot decide which is more appealing - the view or him. Actually, on second thoughts, it is most definitely HIM. Picture: Instagram