The Superman Returns star managed to look both stylish and comfy in a skinny jeans and shirt combo as she arrived at LAX airport in Los Angeles yesterday (17 December).
Kate - who recently unveiled her second capsule collection for Topshop - sported a long-sleeve grey marl top before layering up with a red and black checked shirt.
The stylista added to the laid-back vibe by rolling up her sleeves and wearing a pair of dark wash skinnies.
Travelling light, the actress simply toted all her essentials in a brown and mustard yellow colour block handbag.
To finish her fuss-free look Kate elongated her pins with a pair of heeled ankle boots, which looked strikingly similar to these monk boots, £72 from Topshop.
The pretty blonde went low-key with her make-up too, covering her post-flight peepers with dark sunnies (of course!) paired with a slick of lip balm.
She wore her long tresses loose while flaunting her super-size diamond engagement ring, given to her by hubby Michael Polish.
Who needs a posh designer outfit when you've got such a huge sparkler, ey?
Got an iPad or iPhone? Reveal Mag has been especially designed to fit!
What do you think of Kate's airport look? Let us know by commenting below as the best comment across the site each week wins £50!