You will receive your order number in the order confirmation that we email to you. It is also possible to find it in your account.
Do you see a pink button My account in the top right corner of your screen? That means you are already signed in. Do you see the button Sign in? That means you have to log in first.
Once you are signed in click the pink button reading My account in the top right corner of the screen
Scroll down to the header Orders. Here you can see a summary of your order history. Under Order number you can find your order number.