1. Check your teeth for lipstick.
2. Check to see if you have a tag sticking out
3. Check your makeup in outdoor light. Fix as needed.
4. Check to make sure no bra straps are sticking out.
5. Check for any stains on your clothing.
6. Check for facial hair or pimples that need some emergency care.
TIP: If you miss one of these things and someone points it out, smile, calmly say thank-you and repair to the ladies room to fix.