If you have previously recommended this thread, you should see a tick / check mark on the recommend button. Click the tick to undo the recommendation (the tick may appear to change to a cross as you do this.) If you added a comment with your recommendation, you will need to delete that from your facebook wall separately.
I know this is too late for your wedding (Hope you found someone) but check out Ayrshire Child Care (www.ayrshirechildcare.co.uk) for your future needs. We only use qualified and experienced child care professionals to babysit your children.