Im rlly nervous and scared....?

i have a huge dance show on the 13th of may and im SUPER scared its my first show in front of my new high school... and im rlllllllllyyyyyyy nervous! our audotorium is HUGE and alotta ppl r gunna come is there anyway for someone to calm me down.... or help me not be worried.... also im mostly scared im gunna screw up and ppl r gunna gossip bout me :$ h.e.l.p me pllzzlzlzlzzz......other than tht problem im fine and actually a bit excited cuz i have supportive and encouraging friends but im worried about others tht r gunna do tht aaahhhh help!