[5] Her father, Howard Feinstein,[6] was a civil rights lawyer and a blues musician and her mother, Karen, was a social worker.

[13] She played a comedian performing as herself in the feature film Her Composition (2015), directed by Stephan Littger.

[1] In 2013, she was featured on the video game Grand Theft Auto V, providing the voice of Michelle Makes.

In September 2018, Feinstein married Peter Brennan, a Battalion Chief of the New York City Fire Department.

[19] On February 20, 2020, on the Dudley & Bob with Matt Afternoon Show (93.7 KLBJ-FM), Feinstein stated she was 7 months pregnant.