K.D. O'Hair was born in Lubbock, Texas to Brenda and Marc O'Hair. Just her and her brother Sean, their parents were always very supportive of their children pursuing their dreams. For her brother it was golf and for K.D., being onstage. She has acted and sang ever since the age of 5 in mostly plays/musicals. Having moved a lot throughout her life, she ended up going to Harrison School for the Arts all 4 years in Lakeland, Florida. She attended the Chicago College of Performing Arts of Roosevelt University until mid Sophomore year when she dropped out to attend the Aveda Institute for Cosmetology. Currently (2020), she is living in Atlanta, GA since 2018. She is a licensed Cosmetologist by trade and continues to pursue her acting career both in Theatre and Film/T.V. as well. She is most known for her recurring role as Judie the punk in season 1 of AMC's Halt & Catch Fire, StingRay's girlfriend Fawn in Cobra Kai, and Nikki Culler in NBC's Chicago P.D.