What should i do???

Okk. so i have a little double date type thing happening in like 4 hours. im going to the movies. right now my hair(that is naturally straight) is wavy because i used the sunsilk waves of envy line thing on it last night and french braided my hair. ive been spraying the wave spray on it but its kinda going flat. i want to have wavy hair at the movies. what should i do.(im not taking another shower, i don't have time)