Im scared to go on stage for my first pageant?

-im 13 and going into my first ever beauty pageant but im scared to go onstage and answer questions too. any tips not to be so nervous. and what will the other girls say because if i mess up and they dnt no its my first pageabnt?just think no1 is there just u i am a model and i was scared performing on stage so i just imagines that i was alone in my house