Nick Jonas' biggest fashion faux pas was bow ties.
Nick Jonas
The 'Chains' hitmaker has admitted he regrets wearing the accessory for nearly every occasion in the past.
He shared: "Bow ties are great, but there's a time and place for them.
"Bow ties for everyday wear is maybe not the best move, and I was doing that for a minute."
However, the 22-year-old heartthrob believes his fashion choices reflect who he is as a performer.
He added: "I like classic elements but with bolder statements. Your clothing and approach to fashion are the visual statements you make as a performer or a songwriter.
"I've been getting into the fancy sweatpants trend - the sweatpants-you-can-wear-to-work kind of vibe. Public School is doing a very cool job with that."
And Nick's fashion staple is a leather jacket.
He told Billboard magazine: "A classic black leather jacket. Mine is Margiela and I take it everywhere I go. If it's a two-day trip or a two-month trip, it's with me."
Meanwhile, the 'Jealous' singer could have found good fashion-forward friends in models Kendall Jenner and Gigi Hadid, who is dating his brother Joe Jonas.
Of their friendship, he said: "Kendall is great and naturally with her being good friends with Gigi and with Joe and Gigi dating, there are times we'll be in the same place and we all hang out."
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