Unfortunately my application got returned. I am applying along with a common-law spouse and we submitted two separate applications as we are both eligible and that's what I thought we had to do (I didn't realise he'd get PR just for being my spouse). It got returned because we didn't double-up on the forms, for example, I paid 1 x $550, however they said that I should have paid 2 x $550 to include my spouse, and in his application they said the same to him.
It looks like (thanks for confirming Toby) that we just need to do 1 application, with me as the principle applicant and my common-law will also get PR automatically if I do. I'm going to blend our documents together as I already have everything we need, and re-send off the new application ASAP! I will return in the July applicants thread and fingers crossed for 2nd time lucky....