When it comes to dressing for a formal occasion, do you have a preference? Or do you have one yourself?

I use a lot of lotion and a lot (and I mean a lot) of hair products. What’s the biggest style mistake you have ever made in your life?

Paul Smith makes perfect tailoring for the taller man, as 6-foot-plus Mendes shows in this colour contrast suit, which he wore in August 2018 for the VMAs. Due to the hundreds of screaming fans who were eager to catch a glimpse of the crooner in the flesh, of course. Kristan Serafino, hairstylist to the stars, brings new life into my tired hair routine and transforms me into Shawn Mendes for Very Good Light's masterclass at … For us here at GQ, he's been on our radar for quite some time for another reason. My number one style rule would be to try everything. I get a lot of say in what I wear. To combat tiredness from all the travelling and shows I moisturise a lot. I wore this look everywhere. I try to keep it as natural as possible, because otherwise I feel uncomfortable mentally and physically. Some of the best shots I have come from wearing just a T-shirt and jeans, its really based off of how you wear shit. All products are independently selected by our editors. I've really changed the way I dress. I had to do a shoot in New York once and I put on a leather jacket as a joke, but it turned out alright.

I mean, I wear more suits now, but I also wear more fun shirts, especially on tour and I'm a little more free to do so. I went through a stage of wearing black khaki trousers, a black shirt, white socks and black shoes. Ten reasons why Bryan Ferry is (still) the master of menswear, Best headbands to style out unruly locks if an at-home haircut isn't for you. My style? It was a red Kooples suit and it made me look more tanned on TV, which is always a good thing. So what is it about him? I like to keep the natural look, but it's necessary to use stuff. Why? If you look at pictures, during that time we have changed my overall look three times. The face of Emporio Armani Connected, Armani's new smartwatch, is like a better Bieber, with more dedicated fans and, yep we said it, a better wardrobe to match. Emporio Armani Connected smart watches are available from £329 at armani.com, Shawn Mendes style file: see all his best outfits. Maya Jama and Shawn Mendes at the Emporio Armani Connected launch. What is the one thing you try to avoid when it comes to dressing or grooming? https://www.gq-magazine.co.uk/article/shawn-mendes-interview-2018 I love the suit I wore for the Queen's birthday. Then, once you've read that, check out all our favourite Mendes outfits to date.

My stylist and I are extremely close and we have been working together for four or five years now. Do you have a style rule that you think everyone should live by? We quizzed Mendes on his wardrobe, that hair and his grooming regime when he came over to the UK to promote his new partnership with Emporio Armani.

I mean that’s what I’m also trying with my hair. Do you feel a certain pressure to look good? I'm a skinny guy, so I stick to that. It's really cool so I stole his look. For his first-ever Met Gala, Mendes played it safe and kept to his polished - but with a slight edge - personal fashion formula, wearing this claret Tommy Hilfiger suit with a simple white shirt underneath and a quiff so perfectly coiffed even James Dean would be envious.

On the red carpet it's colour-blocked Paul Smith suits and a perfectly coiffed quiff even James Dean would be envious of, while on stage it's baggy vests and Alex Turner style skinny jeans. It makes everyone in the company understand how important everything is, so it’s been really cool.

James Dean, although everyone probably says that.

Shawn Mendes: It’s awesome, it has a real family vibe, because Mr Armani is fully in control of everything, like the first thing I did with him he was there in person fixing the clothing, making sure everything was looking good. **. If you buy something, we may earn an affiliate commission. What is your favourite look you have ever worn?

Honestly though, when I started doing shoots I was so uncomfortable and felt really nervous and the only way that I could get through them was to really try to mimic and channel him. There's very few people who cause quite the carnage that he does. The second I start to think too much into it, I get stressed. Although I wouldn't wear a leather jacket today.