Going-Out Outfits for Your 30s and 40s (Sexy, Polished, and Affordable)
The short answer
The best going-out outfits in your 30s and 40s pair one sexy detail with a polished shape: a ruched midi with a cut-out, a long-sleeve bodycon mini with sheer black tights, or a lace bodysuit under a blazer. Choose fabrics with some structure, keep the rest of the look simple (one heel, one statement piece), and let the fit do the work. For date night, add a midi and a garter layer only you know about. For girls' night, go shorter or add sparkle. For dinner, choose a midi you can sit in all evening. Our picks below ran $23.95 to $69.99 on last check, and a full girls'-night look (mini plus tights) came to $62.95.
Laces Evening Wear is an independent lookbook. Browse here, then check out on the brand. Some links are affiliate links.
The 3 rules that make it look polished, not "trying too hard"
- One sexy detail, not three. Pick a cut-out, a plunge, bare shoulders, or a short hem. One detail reads confident; stacking them reads like you're dressing for someone else's night.
- Structure over shine. Ruched stretch knits, bodycon with long sleeves, and lace layered under tailoring hold their shape under bar and restaurant lighting. Save full sparkle for one piece, not the whole outfit.
- Dress for sitting. You'll spend most of dinner or drinks seated. Check the hem and the neckline sitting down in a mirror before you leave.
There's no age rule on a mini or a bodycon. Fit, fabric and venue matter more than the number.
5 outfit formulas (date night, girls' night, dinner out)
1. Dinner out: navy ruched midi + sheer tights ($62.95)
The Goddiva Cut Out Ruched Bodycon Midi in navy has a plunging neckline, a ruched bust, a figure-hugging fit and cut-out detailing, at midi length. Navy reads a little softer than black at a restaurant table and works for fall. It was $38 on last check, in navy sizes 2–8.
Formula: ruched midi + CRISTINA sheer tights (20 denier, made in Italy, $24.95) + pointed heel + gold earrings. Want the black version? It's in our sexy little black dress under $60 edit.
2. Date night: drawstring midi + a garter layer ($38 dress)
The City Goddess Cut Out Ruched Midi With Drawstring is a figure-hugging black midi with an adjustable drawstring bust, so you set how much it gathers. It was $38 on last check (the brand lists it down from $110), in black sizes 4, 6 and 8.
Formula: drawstring midi + the Swirl Floral Lace Garter Belt ($49.95, 1XS–1XL) + LUANA Sheer Stockings for Garter Belts ($23.95). A midi hem keeps the clips hidden when you sit. New to garter belts? Our how to wear a garter belt guide walks through it step by step. Full look: $111.90. Skip the belt and use REGINA stay-ups instead and it's $58.95.
3. Girls' night: long-sleeve mini in color + sheer tights ($62.95)
The City Goddess Cut Out Long Sleeve Bodycon Mini in royal blue balances the short hem with long sleeves, and the cut-out keeps it from looking like a basic knit. It was $38 on last check (the brand lists it down from $76), with every size in stock, 2 through 10.
Formula: royal blue mini + CRISTINA sheer black tights ($24.95) + heeled ankle boot or block heel. Long sleeves plus sheer black tights make a mini feel grown-up on a cool night, and the whole look came to $62.95.
4. The celebration night: champagne glitter mini ($69.99)
For a birthday, a milestone or a night that ends on a dance floor, the ShinyGal Glitter Champagne Mini Dress is the one sparkly piece. It's a strapless, above-the-knee glitter dress in polyester. It was $69.99 on last check, sizes S–XL. That's the priciest pick here, and the only one over $60.
Formula: champagne mini + bare legs or sheer stay-ups + a simple black clutch + no other sparkle. Because it's strapless and short, keep everything else quiet and do the sit test (see mistakes below). Pairing stay-ups with a mini? Our thigh highs with a mini dress guide covers how much band should show.
5. Drinks after work: lace bodysuit under a blazer ($24)
The Luxe Lace Bodysuit (HauteFlair) has unlined triangle lace cups, a mesh bodice, adjustable ruched straps and a smooth, snap-free gusset. It's sheer, so here it's the thing that peeks out from under tailoring. It was $24 in black or crimson on last check, XS–XL.
Formula: lace bodysuit + a blazer you already own (buttoned once, or open if you're comfortable) + dark straight or wide-leg jeans or black trousers + heel. It's the most "grown-up sexy" formula here because the lace shows only at the neckline. For more ways to style a bodysuit, see our soft-cup teddy vs lace bodysuit guide.
What to wear underneath
- Under a fitted midi (formulas 1 and 2): seamless underwear, then either sheer tights or a garter belt with stockings. The belt sits flat at the waist under ruched fabric. Walkthrough: how to wear a garter belt.
- Thigh highs vs tights vs stockings: tights are the easiest for a long night out, stay-ups give the "something extra" feeling without a belt, and stockings need a garter belt. The differences, and how to keep stay-ups from slipping, are in our thigh highs vs stockings vs stay-ups guide. The REGINA Sheer Thigh Highs are 15 denier with a 3.5-inch silicone band, $20.95 on last check, Classic Black in S, L and 1XL–3XL.
- Under anything sheer or mesh: a bodysuit or slip in a matching or contrast tone. See what to wear under a sheer mesh dress.
- Under the strapless mini: a strapless bra that fits snugly at the band, and smooth underwear with no visible lines under glitter fabric.
- For after the night out: our sexy, affordable date night guide covers teddies and bodysuits for later.
Fall and winter nights out
- Sleeves and midis earn their keep. The long-sleeve mini and the two midis above all work into November with a coat over them.
- Sheer black tights are the easiest upgrade. They make a mini feel polished and a midi feel dressier. CRISTINA is 20 denier: sheer, not opaque.
- Swap sandals for a boot or closed heel. A heeled ankle boot with tights keeps the line long.
- Layer the bodysuit. Under a blazer or a fitted cardigan, lace looks intentional instead of cold.
Mistakes to skip
- Stacking sexy details. Short + plunge + cut-out + sheer is too much at once. Pick one.
- Skipping the sit test. Sit down in front of a mirror. If stocking tops or garter clips show, choose the midi or switch to tights.
- Head-to-toe sparkle. One sparkly piece (the champagne mini) is a statement. Sparkle top, bag and shoes compete.
- Shoes you can't stand in. A bar night means standing. Choose a heel height you can wear for three hours.
- Hosiery that doesn't fit. Stay-ups that roll or tights that sag ruin a polished look. Size by the brand's height and weight chart.
- Dressing "younger" or "older" instead of for the venue. A wine bar, a cocktail lounge and a dance club call for different hem lengths. Dress for where you're going.
Quick pick
| Occasion | Formula | Look cost (on last check) |
|---|---|---|
| Dinner out | Navy ruched midi + CRISTINA tights | $62.95 |
| Date night | Drawstring midi + Swirl garter belt + LUANA stockings | $111.90 (or $58.95 with REGINA stay-ups) |
| Girls' night | Royal blue long-sleeve mini + CRISTINA tights | $62.95 |
| Celebration | Champagne glitter mini | $69.99 |
| After-work drinks | Luxe lace bodysuit + your blazer + jeans or trousers | $24 |
FAQ
What should a 40-year-old woman wear on a night out?
Choose one sexy detail on a polished shape: a ruched midi, a long-sleeve bodycon mini with sheer black tights, or a lace bodysuit under a blazer with jeans or trousers. Fit and fabric matter more than age, so choose structured fabrics and a hem you're comfortable sitting in.
What do women in their 30s wear to a bar?
Dark jeans or trousers with a statement top (like a lace bodysuit under a blazer) is the easiest bar outfit. A bodycon mini with sleeves or a fitted midi works if you'd rather wear a dress. Pick shoes you can stand in for a few hours.
How do I look sexy but not like I'm trying too hard?
Keep it to one sexy detail, such as a cut-out, a plunge, bare shoulders or a short hem, and keep the rest simple: one heel, one statement piece, minimal sparkle. Structured fabrics and a good fit read confident rather than costume.
What should I wear on a night out in winter in my 40s?
Long sleeves, midi lengths and sheer black tights. A long-sleeve bodycon mini with tights and a heeled ankle boot, or a fitted midi under a coat, both stay polished when it's cold.
Can you wear a mini dress in your 40s?
Yes. There's no age limit on a mini. Balance the hem with long sleeves or a higher neckline, add sheer black tights for a dressier finish, and do a sit test so you're comfortable all night.
How does buying from Laces work?
Laces Evening Wear is a lookbook, not a store. Open the product page on Laces, then check out on the brand's site (Goddiva for the dresses, ShinyGal for the champagne mini, HauteFlair for the bodysuit, VienneMilano for the hosiery and garter belt). Sizes, shipping and returns are handled by the brand.
Shop the edit (verified in stock 2026-10-02)
- Cut Out Ruched Bodycon Midi, Navy (Goddiva): $38, Navy 2–8
- Cut Out Ruched Midi With Drawstring, Black (City Goddess / Goddiva): $38, Black 4–8
- Cut Out Long Sleeve Bodycon Mini, Royal Blue (City Goddess / Goddiva): $38, 2–10 (all sizes)
- Glitter Champagne Mini Dress (ShinyGal): $69.99, S–XL
- Luxe Lace Bodysuit (HauteFlair): $24 crimson or black, XS–XL
- CRISTINA Sheer Tights (VienneMilano): $24.95, Classic Black S–1XL
- REGINA Sheer Thigh Highs (VienneMilano): $20.95, Classic Black S, L, 1XL–3XL
- Swirl Floral Lace Garter Belt (VienneMilano): $49.95, 1XS–1XL (all sizes)
- LUANA Sheer Stockings for Garter Belts (VienneMilano): $23.95, Classic Black S, L, 1XL–3XL
Related: The sexy little black dress under $60 · How to wear a garter belt · Thigh highs vs stockings vs stay-ups · What to wear under a sheer mesh dress · Thigh highs with a mini dress · 7 affordable sexy eveningwear looks under $50
Laces Evening Wear is an independent lookbook. Some links are affiliate links, and we may earn a commission at no extra cost to you. You browse on Laces and buy on the brand.