Long was born and raised in California.

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She was only 3 years of age when she began her tip top dance preparing at her mom dance studio, California Dance Academy.

Molly established the notable dance organization called Project 21 previously.

She is companions with Alexa Moffett, Addison Moffett, Sophia Lucia, Brynn Rumfallo, Asia Monet Ray, Gianna Martello, Jennine Wedge, Kamryn Beck, Bella Hoffheins, Elliana Walmsley, and Coco Quinn.

Molly is related with Yorba Linda Academy of Ballet. She recently worked with Dance Precisions. Molly had joined Dance Precisions as an instructor at the simple age of 5.

As a piece of Dance Precisions, Molly brought home the World Dance Championship Series.

She showed up as visitor on Abby Lee Dance Company.

Molly got the YouTube people group together with her self-named channel on October 27, 2011. A portion of her most-watched movement recordings that she transferred to her channel were ‘Need to Want Me’ Molly Long Choreography, Salute – Molly Long Choreography, “Milkshake” Choreography by Molly Long, and Dawin – DESSERT (ft. Silento) #DessertDance.

She was highlighted on the front of Dance Teacher Magazine before.