viral videographer tricia miranda. here's abc's nick watt. ? dancing teens in the compilation video. 44 million views. ? >> reporter: aidan. he's only 10 years old. solo. 11 million and counting. he goes by the handle "bah." >> i call my fans bah crew. my followers are like family to me. >> reporter: behind every great >> reporter: there has to be a great woman. ? a go go go and swing ? >> i started with him when he was 8. his first huge gig was dancing on the "ellen" show. ? >> reporter: tricia miranda is a new breed of celebrity choreographer. holds hip master classes here at millennium in l.a. i'll barely post something on instagram, press "send" shen gin, the manager, is like your class has sold out. >> reporter: just one of her stable. >> i have a whole group of people that are now stars, they have their own fans from the videos. we didn't have that, my generation. >> reporter: miranda grew up in yuma, arizona. >> i would watch these awards shows and music videos and i would learn the dances. i would just do it in my living room. >> report

>> reporter: tricia miranda is a new breed of celebrity choreographer. holds hip master classes here at attack the certain part. i'll barely post something on instagram, press "send" shen gin, the manager, is like your class has sold out. >> reporter: just one of her stable. >> i have a whole group of people that are now stars, they have their own fans from the videos. we didn't have that, my generation. >> reporter: miranda grew up in yuma, arizona. >> i would watch these awards shows and music videos and i would learn the dances. i would just do it in my living dances for those online millions. ? >> reporter: to miranda's choreography here at millennium. someone like me wouldn't walk into this class. >> normally no. >> reporter: but i live to dance, dance to live. i bet they think i'm european avant-garde. >> you do need the ability. absolutely. listen, i've had friends that direction. like, oh, maybe you should be a massage therapist. >> reporter: miranda has an mtv show premiering early next year. >> when you're a dancer you have to be educated in al

here 16 years, danced for a lot of people, but it wasn't until youtube where, like, my name as tricia miranda getting out there in the public eye. >> so glad she came into my life. >> how many hours do you practice? >> four to five hours a day. i just take a bunch of classes, get tired, and then i sleep in the car. >> reporter: why put all this blood, sweat, and tears, hours of practice into dance? >> because it's all i do. this is all i'm going to do for the rest of my life, whether it's teaching, dancing, creative director, or directing, it's all going to have dance involved. that's what i do. that's what i live and breathe for. >> reporter: me too, nick watt for "nightline" in los angeles. >> i love you, nick. >> i love him. >> gio, this is our beat. >> i said i could do salsa. >> and chair salsa right now. >>> nature can be funny. >> and a group of 4-year-olds. the mix is next. ptions until 65. now is a good time to get the ball rolling. medicare only covers about eighty percent of part b medical costs. the rest is up to you. that's where aarp medicare supplement insurance plans insured b