COS Party/Cocktail Dresses for Women

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Women's Clothing

2,054 results

COS A-line Contrast Skirt Dress UK size M Black
Pre-owned · COS
£47.52
or Best Offer
£2.94 P&P
16 watching
COS Ladies Oversized Tunic Shirt Dress UK 12/14 Collared 3/4 Sleeve 36” Length
Pre-owned · COS
£28.00
or Best Offer
£4.25 P&P
Click & Collect
18 watching
COS Army Green Asymmetrical Hem Gathered Circle A-Line Dress. Medium/UK 10-12.
Pre-owned · COS
£15.80
or Best Offer
£4.00 P&P
Click & Collect
COS Silk Shirt Dress Size 40 UK 14 Lagenlook Dark Grey Button Front Pleated
Pre-owned · COS
£38.00
or Best Offer
£3.85 P&P
Click & Collect
New listingCos Womens Dress Blue Size M Medium UK 12 14 Cupro Lagenlook Oversized
Pre-owned · COS
£16.00
or Best Offer
£3.20 P&P
Click & Collect
COS DRESS OVERSIZED ASYMMETRIC WAIST BRIGHT FUSCIA PINK Size L
Pre-owned · COS
£37.12
or Best Offer
£3.90 P&P
23 watching
Superb Quality Cos Mid Wash Denim Maxi RRP £125 Size 12
Pre-owned · COS
£50.12
or Best Offer
£2.94 P&P
Cos Flared cotton A-line Black T Shirt Dress Size S
Pre-owned · COS
£14.23
or Best Offer
£3.30 P&P
Click & Collect
0 bids
5d 23h
COS Halter Dress Pleated Maxi UK 16 Blue Sleeveless Draped Open Back Occasion
Brand new · COS
£57.91
or Best Offer
£3.75 P&P
Click & Collect
10 watching
COS Shirt Dress Size S Green Linen Oversized Relaxed Fit Belted Midi Pockets
Pre-owned · COS
£60.00
or Best Offer
£4.50 P&P
Click & Collect
New listingCos Dress Shift Black EUR 44 UK 14 16 VGC sack Womens Relaxed Cotton Zip
Pre-owned · COS
£38.42
or Best Offer
£4.10 P&P
Click & Collect
COS TAN CONTRAST-PANEL MIDI LONG RICH COTTON JERSEY T-SHIRT POPLIN POCKETS DRESS
New (other) · COS
£32.99
£4.50 P&P
Click & Collect
11 watching
Cos Halterneck Blue Maxi Dress Pockets
Brand new · COS
£109.92
or Best Offer
£3.42 P&P
White Dress Women's Size S (8-10) COS
New (other) · COS
£31.92
£2.94 P&P
New 2025 COS Fashion Casual Style Round Neck Patchwork T-shirt Dress
Brand new · COS
£38.78
£8.39 P&P
New listingCos Dress Black Tunic Style UK 14 - 16 Structured Cotton Silk Yoke Panel Pockets
Pre-owned · COS
£14.99
£3.50 P&P
COS Floral Print V-Neck Midi Dress UK14 EU40
Pre-owned · COS
£42.22
or Best Offer
£3.39 P&P
Click & Collect
COS black lightweight wool fit flare dress size 10/12 EU38 cap sleeve lined
Pre-owned · COS
£23.60
£3.39 P&P
Click & Collect
New listingCOS Fine Viscose Knit Dress Size S UK 10 Mustard Yellow Pockets A-line Lagenlook
Pre-owned · COS
£29.99
£3.75 P&P
COS maxi shirt dress size 16 NEW long sleeve multi coloured /cover up RRP£125
Brand new · COS
£52.72
£3.39 P&P
Click & Collect
25 watching
COS Floaty Gathered Sleeve Relaxed Fitting Dress Dusty Turquoise Size M 14/16
Pre-owned · COS
£42.31
or Best Offer
£4.20 P&P
Click & Collect
Cos Lea Colombo Dress Size 42 UK 14 Sleeveless Silk A Line Abstract V Neck
Pre-owned · COS
£79.88
or Best Offer
£3.99 P&P
cos black linen open collar dress bnwt pull on, side pockets. Cost £95 size 44
Brand new · COS
£52.72
or Best Offer
£3.44 P&P
0 bids
2d 16h
COS dress 100% Cotton Pockets White Blue Short Sleeve Fits 14-18 VGC
Pre-owned · COS
£14.24
£3.44 P&P
0 bids
1d 13h
COS Fuschia Pink Trapeze Swing Dress, BNWT, Size 18
Brand new · COS
£31.91
or Best Offer
£4.49 P&P
COS Women's Dress Size 42(14) Yellow Mix Lined Swing Used F1
Pre-owned · COS
£12.00
Free postage
3 bids
4d 19h
COS Mint Sage Green Shirt Dress Size 14 Long Sleeved Relaxed Fit with Pockets
Pre-owned · COS
£42.27
or Best Offer
£2.94 P&P
COS Brown Abstract Print Organic Cotton Collarless Shirt Dress Size 8/ 10
Brand new · COS
£59.99
£4.79 P&P
Click & Collect
New listingCOS Navy Blue White Patterned Chic Smart Shift Sleeveless Dress Races MOTB UK 16
Pre-owned · COS
£28.00
or Best Offer
£3.99 P&P
COS Tailored Wrap Dress with Button Closure and Pockets, Size 12/40 (RRP £89)
New (other) · COS
£22.56
or Best Offer
£2.94 P&P
Click & Collect
Cos Women’s New Silk & Linen Long Shift Dress Size UK 10 Occasion Holiday Party
Brand new · COS
£47.52
or Best Offer
£2.94 P&P
Click & Collect
Cos Coral Shift Dress - Thick Feel Fabric Blend - Tags Size 38 UK 12 RRP £125
Brand new · COS
£60.00
or Best Offer
£3.60 P&P
Click & Collect
Cos Beautiful fully lined Sleeveless Midi Dress Size 16
Brand new · COS
£48.04
or Best Offer
£2.94 P&P
COS Shirt Dress Womens 42 Light Baby Blue Belted Longline Drop Hem Contemporary
Pre-owned · COS
£59.97
or Best Offer
Free postage
Click & Collect
Cos Midi Length Cotton Summer Dress Size EU40
Pre-owned · COS
£16.32
£5.15 P&P
Click & Collect
1 bid
1d 16h
Cos Khaki Ruffled -Collar Mini Shirt Dress Size 8
Brand new · COS
£49.99
£4.79 P&P
Click & Collect
COS Relaxed Sleeve Smock Shirt Dress Collared Beige With Pockets Size 40 Uk 14
Pre-owned · COS
£47.52
or Best Offer
£4.20 P&P
Click & Collect
BNWT COS Cornflower Blue Maxi Dress Size L or UK 14/16
Brand new · COS
£37.12
£2.94 P&P
Vintage COS Shirt Dress Collared Long Sleeve Geometric A Line Buttons Size UK 14
Pre-owned · COS
£29.99
(£29.99/Unit)
or Best Offer
£3.50 P&P
Click & Collect
Cos Dress Womens UK 6 Tan Minimalist Capsule Collar Lagenlook Oversized EU 34
Pre-owned · COS
£9.99
or Best Offer
£3.98 P&P
Cos Green Navy Point Collared Shirt Dress Long Midi Oversized Size 36 10-12
Pre-owned · COS
£62.08
or Best Offer
£4.10 P&P
Click & Collect
12 watching
COS yellow geometric jacquard structured mini shift dress UK 8 short sleeves
Pre-owned · COS
£19.50
£3.45 P&P
Click & Collect
Cos T-shirt Beige Polyester T Shirt Dress Size M Excellent
Brand new · COS
£10.07
£2.94 P&P
1 bid
2d 12h
COS Womens Shift Dress Beige With Red Circle Design Size Eur40 VGC
Pre-owned · COS
£34.94
or Best Offer
Free postage
Click & Collect
COS Cap Sleeve Navy Blue Shirt Dress Midi Hem Collar Belted 38 Uk 12
Brand new · COS
£54.80
or Best Offer
£4.20 P&P
Click & Collect
New listingCOS Midaxi Dress Gathered Ruched Occasion High Neck Long Sleeve Blue Size Small
Pre-owned · COS
£55.00
or Best Offer
£3.99 P&P
New listingCOS Ladies Lagenlook Style Pocketed Tunic Dress Mint Green Sz Small Minimalist
Pre-owned · COS
£24.61
or Best Offer
£4.94 P&P
0 bids
9d 20h
BNWT COS Black Maxi Dress Size L or UK 14/16
Brand new · COS
£37.12
£2.94 P&P
15 watching
Cos black dress size M NWOT
New (other) · COS
£27.76
or Best Offer
£4.95 P&P
14 watching
COS Relaxed Sleeve Smock Shirt Dress Collared Grey With Pockets Size 42 Uk 16
Pre-owned · COS
£47.52
or Best Offer
£3.44 P&P
2025 COS Fashion Casual Style Round Neck Patchwork T-shirt Dress
Brand new · COS
£39.59
Free postage
Cos Beige Oversized Asymmetric Waisted Pockets Cotton Midi Dress Size L
Brand new · COS
£59.99
£4.69 P&P
Click & Collect
5 watching
COS Size 8 Black Contrast Fabric Flounced Hem Midi Dress Worn Once
Pre-owned · COS
£31.91
or Best Offer
£3.45 P&P
Click & Collect
COS - beautiful dark navy/black cape sleeved ruche front dress - size 14
Pre-owned · COS
£37.12
or Best Offer
Free postage
Click & Collect
New listingWomen's Cos Light Blue Stripe Long Sleeve button down pocket Shirt Dress Size S
Pre-owned · COS
£31.91
or Best Offer
£2.94 P&P
0 bids
4d 12h
COS Zip -Front V-Neck Midi Dress UK 16 Large
Brand new · COS
£42.12
£3.44 P&P
COS GREEN MODAL GATHERED PLEATED HALTER RACER NECK POCKET MIDI LONG FLOATY DRESS
Brand new · COS
£42.99
Free postage
Click & Collect
3 watching
New listingCOS Dress Size Medium Black Cape Detail Above Knee Sleeveless Stretch Minimal
Pre-owned · COS
£22.70
or Best Offer
£3.95 P&P
Click & Collect
New listingCOS OVERSIZED-FIT T-SHIRT DRESS in Beige Cream Size L Large
Pre-owned · COS
£28.99
or Best Offer
Free postage
COS Dress 6 Cream Round Neck Sleeveless Midi
Pre-owned · COS
£26.89
or Best Offer
£4.00 P&P
Click & Collect

COS Party/Cocktail Dresses for Women

Shop by category

2,054 results

COS A-line Contrast Skirt Dress UK size M Black

COS Ladies Oversized Tunic Shirt Dress UK 12/14 Collared 3/4 Sleeve 36” Length

COS Army Green Asymmetrical Hem Gathered Circle A-Line Dress. Medium/UK 10-12.

COS Silk Shirt Dress Size 40 UK 14 Lagenlook Dark Grey Button Front Pleated

New listingCos Womens Dress Blue Size M Medium UK 12 14 Cupro Lagenlook Oversized

COS DRESS OVERSIZED ASYMMETRIC WAIST BRIGHT FUSCIA PINK Size L

Superb Quality Cos Mid Wash Denim Maxi RRP £125 Size 12

Cos Flared cotton A-line Black T Shirt Dress Size S

COS Halter Dress Pleated Maxi UK 16 Blue Sleeveless Draped Open Back Occasion

COS Shirt Dress Size S Green Linen Oversized Relaxed Fit Belted Midi Pockets

New listingCos Dress Shift Black EUR 44 UK 14 16 VGC sack Womens Relaxed Cotton Zip

COS TAN CONTRAST-PANEL MIDI LONG RICH COTTON JERSEY T-SHIRT POPLIN POCKETS DRESS

Cos Halterneck Blue Maxi Dress Pockets

White Dress Women's Size S (8-10) COS

New 2025 COS Fashion Casual Style Round Neck Patchwork T-shirt Dress

New listingCos Dress Black Tunic Style UK 14 - 16 Structured Cotton Silk Yoke Panel Pockets

COS Floral Print V-Neck Midi Dress UK14 EU40

COS black lightweight wool fit flare dress size 10/12 EU38 cap sleeve lined

New listingCOS Fine Viscose Knit Dress Size S UK 10 Mustard Yellow Pockets A-line Lagenlook

COS maxi shirt dress size 16 NEW long sleeve multi coloured /cover up RRP£125

COS Floaty Gathered Sleeve Relaxed Fitting Dress Dusty Turquoise Size M 14/16

Cos Lea Colombo Dress Size 42 UK 14 Sleeveless Silk A Line Abstract V Neck

cos black linen open collar dress bnwt pull on, side pockets. Cost £95 size 44

COS dress 100% Cotton Pockets White Blue Short Sleeve Fits 14-18 VGC

COS Fuschia Pink Trapeze Swing Dress, BNWT, Size 18

COS Women's Dress Size 42(14) Yellow Mix Lined Swing Used F1

COS Mint Sage Green Shirt Dress Size 14 Long Sleeved Relaxed Fit with Pockets

COS Brown Abstract Print Organic Cotton Collarless Shirt Dress Size 8/ 10

New listingCOS Navy Blue White Patterned Chic Smart Shift Sleeveless Dress Races MOTB UK 16

COS Tailored Wrap Dress with Button Closure and Pockets, Size 12/40 (RRP £89)

Cos Women’s New Silk & Linen Long Shift Dress Size UK 10 Occasion Holiday Party

Cos Coral Shift Dress - Thick Feel Fabric Blend - Tags Size 38 UK 12 RRP £125

Cos Beautiful fully lined Sleeveless Midi Dress Size 16

COS Shirt Dress Womens 42 Light Baby Blue Belted Longline Drop Hem Contemporary

Cos Midi Length Cotton Summer Dress Size EU40

Cos Khaki Ruffled -Collar Mini Shirt Dress Size 8

COS Relaxed Sleeve Smock Shirt Dress Collared Beige With Pockets Size 40 Uk 14

BNWT COS Cornflower Blue Maxi Dress Size L or UK 14/16

Vintage COS Shirt Dress Collared Long Sleeve Geometric A Line Buttons Size UK 14

Cos Dress Womens UK 6 Tan Minimalist Capsule Collar Lagenlook Oversized EU 34

Cos Green Navy Point Collared Shirt Dress Long Midi Oversized Size 36 10-12

COS yellow geometric jacquard structured mini shift dress UK 8 short sleeves

Cos T-shirt Beige Polyester T Shirt Dress Size M Excellent

COS Womens Shift Dress Beige With Red Circle Design Size Eur40 VGC

COS Cap Sleeve Navy Blue Shirt Dress Midi Hem Collar Belted 38 Uk 12

New listingCOS Midaxi Dress Gathered Ruched Occasion High Neck Long Sleeve Blue Size Small

New listingCOS Ladies Lagenlook Style Pocketed Tunic Dress Mint Green Sz Small Minimalist

BNWT COS Black Maxi Dress Size L or UK 14/16

Cos black dress size M NWOT

COS Relaxed Sleeve Smock Shirt Dress Collared Grey With Pockets Size 42 Uk 16

2025 COS Fashion Casual Style Round Neck Patchwork T-shirt Dress

Cos Beige Oversized Asymmetric Waisted Pockets Cotton Midi Dress Size L

COS Size 8 Black Contrast Fabric Flounced Hem Midi Dress Worn Once

COS - beautiful dark navy/black cape sleeved ruche front dress - size 14

New listingWomen's Cos Light Blue Stripe Long Sleeve button down pocket Shirt Dress Size S

COS Zip -Front V-Neck Midi Dress UK 16 Large

COS GREEN MODAL GATHERED PLEATED HALTER RACER NECK POCKET MIDI LONG FLOATY DRESS

New listingCOS Dress Size Medium Black Cape Detail Above Knee Sleeveless Stretch Minimal

New listingCOS OVERSIZED-FIT T-SHIRT DRESS in Beige Cream Size L Large

COS Dress 6 Cream Round Neck Sleeveless Midi

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