Debenhams
The Debrief magazine logo with May 2026 date

Last-minute prom dresses for under £100

Still searching for the perfect dress for prom? We understand prom dresses are a big decision, especially when it feels like a last-minute rush. With so many styles, colours and silhouettes to choose from, finding the right one for your frame can be tricky. That’s where we come in!

We’ve hand-picked our favourite budget-friendly prom dresses – all for under £100. From pink prom dresses and black prom dresses, to halter-necks and long-sleeved options, let us help you find the gown to celebrate the end of your high school years…

Maya Deluxe Embellished Cami Maxi Dress

Pretty and ethereal, this dreamy pink prom dress is a perfect choice for 2026. The beaded geometric bodice creates visual intrigue, complemented by a flattering A-line tulle skirt for an elegant touch. Adjustable straps ensure a customisable fit, while the dress is fastened by a discreet zip fastening at the back.

Oasis Satin Scarf Strappy Maxi Dress

If sophisticated is your prom dress goal, this blue satin maxi is the one for you. Scarf detail brings a feminine touch, accentuated by the asymmetric fishtail hem for elegant movement in every step. Crossover strap detail at the back adds a little something extra, crafted from cool blue satin for a truly timeless design – meaning you won’t look back in years to come and wonder, ‘Why did I wear that to prom?!’. A dress this exquisite is always in style.

FS Collection Sparkly V-Neck Maxi Dress

Graceful with a subtle touch of sparkle, this teal V-neck maxi dress was made for prom. A cascading skirt with split hem detail frames the figure beautifully, while the tonal band detail beneath the bust cinches in all the right places. In a deep teal colourway, this ensemble is exquisitely unforgettable.

Goddiva Lace-Up Jacquard Mini Dress with Organza

Maxis not your style? This mini prom dress might be what you’re looking for. Pretty organza wing sleeves take this look to the next level, offering multiple ways to wear: from bardot-style to off the shoulder. The structured bodice and subtly flared skirt are the perfect complement, arriving in a deep burgundy colourway with an all-over jacquard print that ensures all eyes on you.

Goddiva Sequin Butterfly Maxi Dress

Something different for those looking to standout in the crowd. This unique white prom dress is a cut above the rest, featuring a showstopping sequin butterfly at the bodice for an eye-catching touch. Iridescent sparkle catches the light with every step, while the V-neckline, cut-out side detail and front hem split are effortlessly flattering. Modern, striking and affordable – this white dress is a dream from every angle.

Goddiva Strapless Asymmetric Tiered Midaxi Dress

A sleek black prom dress to ensure you’re the talk of the party. Radiating sophisticated glamour and confidence, this contrast fabric dress contours the silhouette, pairing a strapless bandeau bodice against a polka dot organza tiered skirt, creating an ultra-flattering, easy-to-accessorise garment you’ll love so much you’ll want to re-wear.

Goddiva Scalloped Lace Velvet Maxi Dress

This long-sleeved prom dress is the perfect choice for curvier frames. You’re sure to feel confident, thanks to a fit that complements the figure, designed with a sophisticated velvet bodice and skirt, with intricate lace detailing at the sleeves and bust. The three-quarter bell sleeves are both chic and comfortable, while the maxi length hugs the body in all the right places. Striking yet understated, you can’t go wrong with this navy plus-size prom dress.

Goddiva Bardot Scuba Chiffon Maxi Dress

Chiffon is always in – but this bardot prom dress gives effortless Goddess vibes. Your decolletage becomes star of the show, accentuated by draping off-the-shoulder sleeves and subtle sweetheart cowl neckline. The sculpted scuba fabric wraps the figure in all the right places, realised in a sage green colourway that’s more than on-trend this spring-summer.

Goddiva Contrast Off-Shoulder Maxi Dress

Unique, elegant and undeniably ‘prom’, this fitted maxi dress ensures the silhouette of dreams. Off-shoulder satin fabric is fashioned into dramatic bow detail at the back, lending a feminine yet distinctive touch. Contrast wing sleeves are the epitome of old Hollywood glamour, paired with a figure-accentuating bodice and maxi skirt to make the most of your silhouette.

Maya Deluxe Bardot Embellished Maxi Dress

Romantic types will love this hand-sewn sequin embellished prom dress. The double-layer bardot-style bodice ensures comfort and class, cascading into a soft tulle skirt for effortless movement from dinner to dancefloor. Blue not your style? This dress is available in plenty of colourways to choose from!

Goddiva Chiffon Maxi with Embellished Belt

Classy and sophisticated, the Goddiva Chiffon Maxi Dress is every prom-goers dream. The salmon pink colourway is ultra-feminine, crafted from pleated chiffon fabric to form the perfect silhouette. Cinched at the waist with sparkly embellished detail, this one is all glamour.