Always always wash your face at night to keep your skin clear and glowing, and in the morning to wake your face up.
Drink a lot of water.
Brush your teeth.
Apply a luminescent moisturizer to give your face a glow.
pinch your cheeks for a natural flush.
Curl your eyelashes.
and some vaseline on the lips should do :]
wear clothes that you are comfortable in and that you feel you look good in so that your confidence shines through!