DOs and DON'Ts: Today's best dressed

From off-duty looks to red carpet style, see the best dressed of the week - all in one place.
WennAlexa Chung
Out on a shopping trip with her celeb BFFs, Alexa scores a DO for this take on tartan - we heart the tortoiseshell sunnies too.
Rex FeaturesRita Ora
DO-ing services to crop tops, Rita Ora flashes her abs hanging with Alexa Chung in NY.
PA PhotosAbbie Cornish
White was winter's hottest hue, and it seems it's still a DO as spring approaches.
Rex FeaturesAllison Williams
We DO applaud Allison Williams for taking a different direction with her styles, even though it's not the most conventional look.
Getty ImagesFoxes
Singer Foxes is DO-ing a 90s trend overload with her Mom jeans, satin bomber, jelly sandals and bucket bag.
Rex FeaturesLady Gaga
We DO like it when Gaga goes a little off-kilter and wears something we wouldn't expect - like this gold ballgown and bejewelled eye make-up.
WennAriana Grande
DO stand up for a cause you believe in. Vegan Ariana shows her support for animals with her slogan tee.
Rex FeaturesDaisy Lowe
We DON'T think it's warm enough for denim jackets just yet, but we still love Daisy Lowe's over-sized cover-up.
Rex FeaturesEmeli Sande
Anyone else AMAZED at Emeli Sande's transformation - we DON'T think we recognised her at first.
Rex FeaturesImogen Poots
This isn't our favourite red carpet look, but DO go and see That Awkward Moment for Imogen Poots in a series of quirky-cool looks.
Rex FeaturesJennifer Hudson
We're all for a bit of lingerie dressing, but we DON'T think we'll be trying this take on the peekaboo trend.
Rex FeaturesVanessa Hudgens
Normally doing boho chic, Vanessa has gone all-out glam on the red carpet - what DO you think?
WennEllie Goulding
Ellie has decided puffa jackets and snow-friendly gear is a DON'T - opting for sporty chic gear instead.
Rex FeaturesKim Kardashian
Whether you think Kim's look is a DO or a DON'T you can't deny it's a style talking point.
Rex FeaturesKylie Minogue
TV heroine du jour Kylie is DO-ing the monochrome trend in a discreet way - with a pop of white under her skirt.
Rex FeaturesFlorence Welch
Florence Welch has been somewhat absent from the red carpet of late - we DO however love her off-duty ensemble.
Rex FeaturesJulianne Hough
It may be anything but sunny over here, but it still doesn't mean we can't covet Julianne's tinted shades. We DO like her slouchy white trousers, too.
Rex FeaturesRooney Mara
Wearing volume up top? DO keep the bottom half tailored, Like Rooney Mara.
Rex FeaturesKeira Knightley
Back on the red carpet, and scoring a major DO is Keira Knightley - we adore this Proenza Schouler LBD.
Getty ImagesCaroline Flack
DO opt for super distressed jeans like Caroline Flack when wearing off-duty denim.
Getty ImagesEliza Doolittle
Balance out a super short dress with a long, long duster coat like Eliza. We're popping this on our outerwear to-DO list.
PA PhotosElle Fanning
Are ugly sandals a DO this summer? They were all over the catwalk, and now celebs like Elle Fanning are stepping out in them.
PA PhotosKate Bosworth
DON'T just settle for tartan - make it blingy like Kate Bosworth.
FlynetKendall Jenner
Here's Kendall showing her future step-brother-in-law Kanye some support with her Yeezus t-shirt. Question is, DO they do one North West-sized?
Getty ImagesLaura Whitmore
Working winter pastels with aplomb is Laura Whitmore - we DO like how chic the sheer shirt and tailored trousers look in the same blue hue.
Getty ImagesPixie Lott
DON'T be afraid of OTT prints - Pixie truly wears this Guess by Marciano get-up well.
PA PhotosShailene Woodley
DO embrace your inner tomboy, like Shailene Woodley.
Xposurephotos.comDO stay fierce at all times: When rumours were swirling around about Rita Ora and Calvin Harris splitting, Rita stepped out in this awesome kimono ensemble and took our breath away.
Rex FeaturesDO like the stars at the Golden Globes, and wear red. It was a major trend on award's night.
Getty ImagesJessica Alba is DOing a subtle kind of print clash here - we're big fans of the polo neck top, too.
Getty ImagesFashion darling Hailee Steinfeld can DO no wrong on the red carpet - this pretty embellished shift is just right with 1960s hair.
Getty ImagesA co-ordinated shell top and trousers = a new way to DO suit/matchy matchy dressing. Well played, Kiernan.
Getty ImagesIsla makes us wish for spring in this floral printed get-up. Make this look one for you next season to-DO list.
Getty ImagesWe DON'T think we want anything more than Rashida's sweater - polka dots and florals are a match made in heaven.
Rex FeaturesZooey Deschanel
After her chic Oscar De La Renta outfit at the Golden Globes, Zooey Deschanel continues to DO ladylike elegance on the red carpet, in this embellished skirt.
Rex FeaturesJennifer Lopez
DON'T ever underestimate Jennifer Lopez - the singer shows she's still the sexiest A-lister on the block in this figure-hugging leather look.
Rex FeaturesJessica Stroup
Optical prints are still a DO for spring - take your lead from Jessica Stroup's flirty skater dress.
PA PhotosKelly Osbourne
We <3 full skirts, and Kelly Osbourne does them so well - DO like her and wear with a simple fine knit sweater for a sleek silhouette.
Rex FeaturesAdriana Lima
This emerald green number on VS Angel Adriana Lima is just gorgeous - but DON'T ignore that statement ring on her wedding finger.
Rex FeaturesDree Hemingway
Jumpsuits are set to be a major wedding trend in 2014, according to the bridal catwalks - but there's no reason why you can't DO one if you're not set to wed. We like this one on model Dree Hemingway.
Rex FeaturesHelena Christensen
Helena is also DO-ing a jumpsuit - this black crepe number is super flattering.
Getty ImagesRachel Bilson
When in doubt, DO winter florals - Rachel Bilson's blue and white dress looks great with cosy black tights.
Rex FeaturesLiv Tyler
Sick of your slogan tee? DO an artsy t-shirt like Liv Tyler - hers is Stella McCartney.
Rex FeaturesAnna Kendrick
DO embrace a fun and flirty take on an LBD; Anna Kendrick's lace and crochet detail one by J.Mendel is super-duper!
Rex FeaturesBusy Philipps
Long floral skirts are a big DO on our fashion desk for an injection of old school glamour. Make sure you keep the top half as close and tailored as possible though to avoid creating volume where there is none.
Rex FeaturesCate Blanchett
Cate Blanchett is so no slouch when it comes to red carpet dressing and this satin printed gown from Prabal Gurung is no exception so DO follow Cate's lead and try winter whites for formal occasions.
Rex FeaturesDiane Kruger
DO hark back to retro shapes for something a little different with your eveningwear. This bell-shaped, 40s-inspired dress from Preen looks sensational on Diane Kruger - who, lets face it, rarely gets it wrong.
Rex FeaturesEvan Rachel Wood
DON'T underestimate the power of sharp, mannish tailoring on the red carpet. Evan's Moschino Cheap and Chic blazer over black cigarette trousers teamed with Christian Louboutin brogues is, basically, perfection.
Rex FeaturesKate Bosworth
If your style is usually understated DO be cautious when trying out busy prints and patterns on formal wear because however beautiful it is, the wrong dress can sometimes end up looking like it's wearing you.
Rex FeaturesNina Dobrev
There's nothing quite like hot citrus hues to really get our fashion pulses racing; Nina Dobrev's gorgeous column gown from Emilio Pucci is positively dreamy so DO inject more tangerine into your wardrobe, stat!