Period and pill question!! HELP

So I am meant to finish taking my pill on Sunday 24th.. 
I have a party on the Saturday 30th but this means that I'll be on my period as my period won't come on until Thursday..
If I carry on taking my pill would that stop it coming on.. ?? Or should I stop my pill now, leave it 4 days for my period to come and then start my pill again on say Wednesday/Thursday??