Fashion Month might have kicked off but that's not stopping Jessica Alba getting the workouts in or Victoria Beckham from going head-to-head in a pose-off with son Brooklyn.

From Kate Hudson's mother and daughter throwback to Beyonce's family holiday: This week's A-list Instagram highlights

Kate Hudson shares a sweet throwback

Beyonce and Blue do some outdoor dancing

Victoria Beckham recruits an unlikely model

Karlie Kloss joins her mum for a charity run

Kaley Cuoco does wine with a straw

Kate Bosworth feels a bit like we do

Stella McCartney shows off her second birthday cake of the week

... and Pixie Geldof gets a rainbow cake too

Lena Dunham quashes those split rumours

Caroline Flack's detox holiday looks dreamy

Anne Hathaway cringes over past fashion fails

Reese Witherspoon has the bag we all want

Kim Kardashian cosies up with Anna Wintour

Beyonce has a wail of a time in Italy

... and makes floral crowns with Blue Ivy

Beyonce and Jay Z have a 'moment' on a yacht

Lena Dunham shares wise words (and her love for Calvins)

Julia Roberts shares an eighties throwback

North West turns photographer

Amy Schumer steals Madonna's stage

Alexa Chung gets her Carrie Bradshaw moment

Zoe Kravitz and Debbie Harry enjoy a night out

Kate Hudson feels the AC chill

Katie Holmes shares a sweet moment with Suri

Rosie Huntington Whiteley makes a new friend

Fearne Cotton gets real about motherhood

Reese Witherspoon sports the mother of all braided updos

Blake Lively celebrates her squad

Zoe Saldana's twins try to make a break for it

Miley Cyrus shares a bathroom selfie

Victoria Beckham and Brooklyn say farewell to NYC

Lena Dunham shares a family throwback

Susan Sarandon, Naomi Watts and Elle Fanning have a bonding session

Florence Welch reveals what's on her reading list

Zoe Saldana snaps a father and son moment

Kim Kardashian makes a new friend in Courtney Love

Mindy Kaling embarks on the tour life

Naomi Watts on how she gets through press interviews

Jessica Alba reveals her make-up secrets

...and the finished look of course

Kaley Cuoco finds the cutest dog ever

Gwyneth Paltrow shares a Stella McCartney birthday selfie

Stella McCartney's team share a baby throwback

.... and she gets a delicious looking birthday cake

Victoria and Brooklyn Beckham have a pose-off

... but he wins the father-son style war

Blake Lively celebrates her best friend's book lauch

Reese Witherspoon and her mum go for cake

... it's a two-step process

With a cheeky end to the night

David Beckham shows us what a dinner date would look like

Jessica Alba doesn't let Fashion Week get in the way of a workout

Taylor Swift shows off her new Emmy Award

... in various ways

Nicole Richie celebrates son Sparrow's birthday

Reese Witherspoon's mini-me daughter turns 16

... and she celebrates in style

Beyonce takes a dip

Alexa Chung tries to make rain-bedraggled a 'look'. And succeeds.

Blake Lively clears up her Taylor Swift joke

Jessica Alba finds a creative way to market her new lipgloss

Kate Hudson knows her weekend looked a lot like ours

Cara Delevingne backs Stella McCartney's breast cancer campaign

The Delevingne crew take on Burning Man festival

Alexa Chung spins the selfie

From Kate Hudson's mother and daughter throwback to Beyonce's family holiday

This week's A-list Instagram highlights