First, you should just dab antibiotic cream on the blemish to stop extra oil production. Avoid acne creams: They'll dry out your skin and make the blemish harder to cover up. When you're ready for makeup, use a creamy, oil-free concealer.

If disaster strikes in the days before the wedding, schedule an emergency appointment with your dermatologist for a cortisone shot. If you know you're prone to breakouts, talk to your dermatologist ahead of time to find the right products and treatments for you.