Model behaviour: Celebrities hit the runway

Actress, singer... model? At one time or another, many a famous face has taken a turn on the runway. Whether it's a one-off appearance, a charity gig or simply because they fancy a strut down the catwalk, lots of celebrities have given the model way of life a go. See who swapped the stage or the silver screen for a runway walk, with varying degrees of success.
Getty ImagesNicola Roberts strutted her stuff for Naomi Campbell's annual Fashion For Relief show during LFW. This year the charity is raising money for Ebola.
Getty ImagesThe Duchess of York looked like she was having a whale of a time during Fashion For Relief.
Getty ImagesStriking a pose at Fashion For Relief, we think Katie Piper's a natural...
Rex FeaturesNot so much for Strickly's Bruno Tonioli.
Rex FeaturesTaylor Swift
She might not be a Victoria's Secret model herself, but that didn't stop Taylor Swift taking charge of the runway during the underwear brand's most recent catwalk production. Work it, Tay!
Rex FeaturesSelena Gomez
Looking very much at home on the catwalk, it's actress Selena Gomez in a tres elegant silk gown at a charity gala in LA.
Rex FeaturesVictoria Beckham
Remember this? Before VB created her own juggernaut fashion label, the former Spice Girl took more than one turn on the runway as a model. This resplendent appearance was for Italian designer Roberto Cavalli back in 2006.
Rex FeaturesVictoria Beckham
And this was her much talked about runway debut for British designer Maria Grachvogel all the way back in the year 2000. What a difference a decade makes.
Rex FeaturesScarlet Johansson
Scarlet Johansson is one silver screen beauty who makes light work of the runway, a Dolce & Gabbana runway no less.
Rex FeaturesRita Ora
Singer, fashion favourite AND runway model. Rita Ora and US fashion label DKNY make for one perfect pairing.
Rex FeaturesRihanna
Trust Rihanna to absolutely nail her runway debut back in 2007 for fashion brand DSquared. There's definitely a secondary career here.
Rex FeaturesLindsay Lohan
Taking her catwalk duties very seriously indeed, Lindsay Lohan strikes a pose for Dolce & Gabbana.
Rex FeaturesKim Kardashian
With her gorgeous good looks and picture-perfect curves, is it any wonder that Kim Kardashian looks very much at home on the runway?
Rex FeaturesKanye West
Much like her other half, Kanye. Once a performer, always a performer.
Rex FeaturesKelly Osbourne
Miss Kelly O makes her appearance on the Fashion For Relief runway - and we heart it.
Getty ImagesKaty Perry
When you're one of the biggest names in music, standing and walking in front of an audience is no big deal. Right, Katy?
Rex FeaturesBeyoncé
Queen Bey also looks more than happy to lap up the limelight on the runway.
Getty ImagesAnne Hathaway
Sporting an altogether more high maintenance look than we're used to, actress Anne Hathaway works her magic alongside various high powered sports cars at the General Motors show in LA.
Rex FeaturesAnnaSophia Robb
The Carrie Diaries actress AnnaSophia Robb is clearly enjoying her catwalk moment.
Rex FeaturesAvril Lavigne
Singer Avril Lavigne takes her runway duties in her stride - and looks like she's having the best time ever.
Rex FeaturesBella Thorne
Bella Thorne could easily swap the silver screen for the catwalk, if this appearance is anything to go by. One word: hot.
Rex FeaturesBella Thorne
A natural, don't you think?
Rex FeaturesBonnie Wright
If we didn't know it was her, we'd think Bonnie Wright was a bona fide catwalk regular.
PA PhotosCheryl Cole
Cheryl Cole turned everyone's heads when she stepped out on to the Fashion For Relief runway back in 2008. It's not hard to see why.
Rex FeaturesCheryl Cole
Modelling was definitely going to part of her future (and it became a reality when she was signed up as a face of L'Oreal just a few months later).
Rex FeaturesElsa Pataky
A vision in pretty florals, Elsa Pataky definitely seems to be enjoying the runway limelight.
Rex FeaturesGeri Halliwell
In true Ginger Spice fashion, Geri makes sure her Fashion For Relief runway appearance is unforgettable.
Rex FeaturesHeather Graham
There's just one word for Heather Graham's catwalk turn: dazzling.
Rex FeaturesKerry Washington
Kerry Washington literates radiates beauty on the runway. We'd sign her up in a flash.
PA PhotosKimberley Walsh
Like her Girls Aloud bandmate Cheryl, Kimberley Walsh commands the scene at the Fashion For Relief charity show.
Rex FeaturesKim Cattrall
Samantha would be so proud of Kim Cattrall's OTT catwalk debut.
PA PhotosMalin Akerman
Changing up the usual model scowl for a sunny smile, Malin Akerman is a ray of runway sunshine.
Rex FeaturesMischa Barton
Has she done this before? Mischa Barton looks very much at ease as she enjoys her moment of model glory.
Rex FeaturesPeaches Geldof
Peaches makes like a runway pro for British label PPQ.
PA PhotosRosario Dawson
Strike a pose there's nothing to it. If your name is Rosario Dawson, of course.
Rex FeaturesSarah Harding
Sarah Harding's catwalk debut has more than a hint of sex appeal.
Rex FeaturesAdrien Brody
Oscar winner Adrien Brody makes sure his runway appearance for Prada is completely flawless (and totally believable).
PA PhotosAlan Cumming
Alan Cumming pledged his allegiance to his homeland of Scotland when he took a walk down the Dressed To Kilt runway in New York back in 2010. Looking good, Alan.