Needed me and kiss it better were packaged together and released to radio on what date?
Kiss It Better (Rihanna song):  The song was serviced to the radio stations in the United States on March 30, 2016 together with "Needed Me". Needed Me:  The song was serviced to the urban radio stations on March 30, 2016, as a follow up single from "Anti" together with "Kiss It Better".
March 30, 2016