[b]Help me my mom is getting married[/b]

Hi I m a new member and really need some advice! My mom is getting married in front of everyone I have ever met and, I am petrified. The thing is I have been asked to walk her down the isle, I am so nervous I m getting butterflies in my stomach just thinking about it. Please help me! Im desperate to overcome my lack of confidence, has anyone got any tips, will be very grateful for any feed back know matter how small lol