Hailey Bieber has been wearing her £8k YSL leather trench coat on repeat, and the look is trending as a chic way to stay warm ...

Hailey Bieber has been wearing her £8,300 Saint Laurent black leather trench coat has been all over our Instagram feeds - but ...

Leather (and pleather) trench coats are calling our names this ... adjustable cuffs and a chic belt you can tie up at the waist. Pair with a vintage style crew neck T-shirt, slouchy light-denim ...