alentine"s day has finally arrived, and what to wear to celebrate requires some consideration. Whether you"re coupled up and planning a special evening, or happily single and organising a fun celebration with friends, you"ll want to look your best and like you"ve made a special effort - even if you"ll only be sharing popcorn on the sofa. Here"s what to wear for every type of Valentine"s evening... An evening at the theatre Jumpsuit, £89, & Other Stories; Hangisi flats, £765, Manolo Blahnik; Antonia bag, £475, Shrimps; City coat, £299, Jigsaw; Threader earrings, £42, Anthropologie Think smart/casual for a night at the theatre and your look will be sure to impress. Don"t go too over-the-top: A dressy jumpsuit and sparkly flats is perfect: a frock isn"t the best for shuffling in between stalls, and flats ensure you won"t be complaining about sore feet on the way home. Nod to the theme of the day with a bright red pout. Slippers, £85, Ugg; Cashmere joggers, £99, M&S; Pleated headband, £9, Accessorize; Gold hoops, £49, Missoma; Oversized neps cardigan, £89, Arket An outfit for a cosy evening in watching a romantic comedy requires just as much thought as any outdoor evening plans: think luxe loungewear with a chic hair accessory, not slobby tracksuit bottoms and mismatched socks. Cashmere separates and neutral hues are the answer, and it doesn"t get any better than Arket"s expensive-looking camel cardi. After-work cocktails Matte Revolution Red lipstick, £25, Charlotte Tilbury; Double-breasted blazer, £285, Reiss; Pleated trousers, £150, Reiss; Metallic sandals, £325, Loeffler Randall; Silk cami, £215, Joseph; Satin mini tote, £185, Miista If you"re heading out straight from the office, be sure to choose a look that"s easily jazzed up come 6pm: A trouser suit makes light work of day-to-night dressing. Swap your cotton shirt for a silk blouse or camisole and trade your loafers for gold sandals and you"re good to go. A Galentine"s evening out Heeled sandals, £169, Whistles; Michael Michael Kors satin wrap top, £150, Net-a-Porter; Lurex skirt, £49.99, Zara; 1980s vintage earrings, £125, Susan Caplan; Vince belted faux fur coat, £480, Harvey Nichols Celebrating with girlfriends is a great excuse to wear your best evening pieces that have been relegated to the back of your wardrobe post-NYE. Dress around a sparkly skirt and opt for metallic heels and a simple black blouse. Throw on some outré accessories depending on how formal your plans are: sparkly earrings will ensure your top half looks dressy at the dinner table. A pub dinner Printed midi dress, £95, & Other Stories; Knee-high boots, £395, LK Bennett; V-neck knit, £240, Ganni; Duo hoops, £89, Otiumberg; Small Darley bag, £595, Mulberry; Typically, a night at your local calls for your comfiest oversized knit and stomping boots, but you won"t be sorry for making a little more effort on this occasion. A loose-fit dress will allow for maximum indulgence, while luxe accessories will elevate your ensemble. A comedy night Gold Asta necklace, £149, Folke by Larsson & Jennings; Textured knit, £34.99, H&M; Lou boots, £265, Aeyde; Mom jeans, £49.95, Gap; Bellows crossbody, £380, Cafune; Goen.J reversible trench, £306, The Outnet If you"re heading off on a jolly evening full of laughs, a casual outfit with great accessories will be a winner. So as not to appear try-hard - and get singled-out by the stand-up - you"ll want to go for an overall effortless vibe - think jeans, a knit and boots. Avoid trainers and your giant everyday tote, and instead look to sleek jewellery and a co-ordinating crossbody bag.