But while it was all about Spring/Summer 2017 at this month's catwalk shows, Leigh-Anne took it upon herself to showcase Autumn/Winter's biggest beauty trend – super-dark, goth lips.
Leigh-Anne joined fellow singer Ella Eyre at the Aspinals of London presentation during this season's LFW and she totally wowed us in an Isabel Marant t-shirt, bare legs (!) and thigh-high, peep-toe boots.
Heck, if we had her legs, we would totally rock a t-shirt and no bottoms, too!
The 24-year-old singer coupled her risqué outfit with a cute bomber jacket, a tousled topknot and some large hooped earrings.
And her make-up was totally on point, thanks to celebrity make-up artist Celena Hancock, who regularly tends to the faces of Leigh-Anne and her fellow Little Mixers (as well as The Saturdays ladies, ps).
Leigh-Anne's look was all about her dark, burgundy lips, worn with strong brows, glowing skin and sexy, fluttery lashes.
Super-dark lips are a major trend this autumn so you're going to need to stock up on some deep, berry shades and almost-black lip glosses if you want to keep up.
Which we know you do!
Leigh-Anne chose Anastasia Beverly Hills Liquid Lipstick in Vamp, £22, rosesbeautystore.com which perfectly complemented her beautiful skin tones and dark brown eyes.
With a glossy finish, it's also the perfect texture to wear on your lips when going for a very dark colour. Why? Because dark lipsticks make your lips look thinner, but gloss adds extra plumpness which perfectly counteracts the heaviness of deep shades.
Another goodie to try is Urban Decay Revolution Lipgloss in Brickhouse, £15, urbandecay.co.uk which is a warmer red, super-shiny and great for tanned or medium-pale skin tones.
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