The 24-year old appeared in Philipp Plein's 2013 spring collection show sporting an embossed leather jacket and white chinos, before quickly changing into a baby blue blazer and black button down shirt.

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It was a far cry from Westwick’s usual get-up as Chuck Bass on Gossip Girl, which sees the actor wearing perfectly tailored suits and accents of purple.

“I think fashion is a very important part of our lives in this day and age; it's self-expression and self-reflection,” Westwick commented recently.” It's kind of like a knight going into battle: you get dressed wearing the clothes you want to wear, and it makes you feel confident, makes you feel good."

Westwick was joined at Milan Fashion Week by his co-star, Chace Crawford, who sat front row at the Versace menswear show.