14/08/2014 12:37 BST | Updated 22/05/2015 06:12 BST

Jessica Alba's Festive Street Style Is The Best Ever

Now that December is in full swing it's officially time to dig out the Christmas decorations (on mass). And if you're not into recycling, then now's the time to go shopping for new ones.

Jessica Alba and her husband Cash Warren spent the weekend with their brood shopping for glitzy decs in LA looking pretty snug in their winter gear.

The 32 year-old American actress wore an oversized, chunky knit cardigan with a plaid shirt, black leggings and biker boots.

Can we just take a moment to talk about the said knit, because it's the perfect way to do festive cool this season: check out the navy, white and red colourways, the zip front and the tassel detailing.

Not only did Jess show us exactly how to do casual-Christmassy-cool (it's a thing) street style but she also went matchy-matchy with Cash and her youngest daughter Haven in tartan. Navy and white plaid is perfect weekend attire.

If you're going to invest in anything this season (on top of your red party dress and dreamy clutch!) make it a Christmas jumper. You don't have to go all out with bells and whistles but take stock of Alba's look and opt for woolly outerwear that you'll wear beyond the festive countdown.

That said, if you're looking for chintz and cheer this season you need to take a look through this gallery of jumpers: