Kára Deidra McCullough (born September 9, 1991) is an American beauty pageant titleholder and a physical scientist at the Nuclear Regulatory Commission. On May 14, 2017, she represented District of Columbia at Miss USA 2017 and was crowned the winner by outgoing titleholder Deshauna Barber, also of the District of Columbia. She will represent the United States at the Miss Universe 2017 pageant.Kára McCullough, 25, is the new Miss USA and she’s stunning. She has beauty and brains too as she works as a nuclear scientist at the United States Nuclear Regulatory Commission. It’s impossible to resist her charm.