Glazer was born and raised in St. Louis, Missouri. She has been dancing since the age of three and at the age of 14, began training with the Tremaine Performance Program.  After turning 18, she booked her first tour with European artist Justin Bieber, and at 19, she booked Justin Bieber ’s Purpose World Tour.  She would go on to work with Demi Lovato, Timbaland, Kyle, and Alex Aiono as well as appear on the American Music Awards, The Grammys, Billboard Music Awards, The Voice, Hulu’s East Los High, The Teen Choice Awards, Radio Disney Christmas Special, VH1’s Hip Hop Squares, and The Latin AMAs. Glazer is reperesented by the Clear Talent Group. 
Today, Delaney has her own dance class in Los Angeles at Robin Antin & Kenny Wormald’s studio Playground LA.