Velazquez was born in the New York City borough of the Bronx to Ecuadorian, Dominican and Puerto Rican parents.
[3] In 2012, she guest-starred in the TV series Law & Order: Special Victims Unit in season 14, episode 4, "Acceptable Loss" as a sex worker named Pilar Morenas.
In 2022, she was brought back to play Maya Jimenez in season 23, episode 11 "Burning with Rage Forever."
On August 3, 2015, it was announced that Velazquez was joining the cast as Latina girl Laura Calleros from Bronx, New York, on Fox's Empire Season 2.
She is the lead singer in Lyon Dynasty's Latin-American girl group, Mirage a Trois.
Velazquez appeared as Meche in Steven Spielberg's adaptation of West Side Story, released on December 10, 2021.
Some of her influences include, Fiona Apple, Hole, Whitney Houston, Mariah Carey, Pearl Jam, and Amanda Miguel, to name a few.