We've all been there.

Just as you're getting ready to spend a quiet weekend at home, your phone buzzes with an invitation to a birthday dinner.

Watch: Justifying an online shopping spree. Post continues below.

It would all be well and good... if you knew what you were wearing. You can'tpossiblywear that orange dress you own because you wore it to the last birthday dinner you went to, and you don't have time to go to your local shopping centre since you're working late this week.

So the solution is (of course!) to shop online and get it delivered the next day.

Gone are the days when we had to wait over a week to receive our online shopping as so many Australian retailers offer same day and next day delivery.

Because I'm majorly type A and I enjoy having everything organised and in one place, I've compiled a list of my favourite Australian websites that offer uber-quick delivery (depending on where you live — sorry to our regional friends) and are great options even if you're not in a rush.

Let's get into it.

The Iconic.

Okay we're starting with a pretty obvious one here but who doesn't love The Iconic? The site has the widest selection of clothes, shoes, accessories (and even gifting if you need to throw in a present while you're at it). It's always my go-to when I need something ASAP.

Best for:Everything. They even do homewares!

Delivery options:Same day, evening and Saturday delivery available for Sydney Metro postcodes. Express shipping available nationwide.

MESHKI.

Need a sexy dress? Or maybe you have a wedding to attend? Actually, wait... you need adon't you? MESHKI is your best bet for all of these options. And they have a ton of delivery options, so your order will be at your door quickly.

Best for:Fancier dresses and tailored pieces like blazers, pants and skirts.

Delivery options:Same day and Saturday delivery NSW-wide for $14.99. Free next day delivery available nationwide for orders over $100.

White Fox Boutique.

Look, I know what you're thinking: Didn't