Chelsea Lawson is a fictional character from The Young and the Restless, an American soap opera on the CBS network. Portrayed by Melissa Claire Egan, she was created by former head writer Maria Arena Bell and made her debut during the episode airing on November 11, 2011. Egan was said to be joining the soap opera as a mystery woman involved with Billy Abbott (Billy Miller). Introduced as a con artist and "bad girl", Chelsea developed into a loving person. She arrived in town revealing that she had become pregnant with Billy's child, later giving up all her parental rights. She then began a romance with Adam Newman (Michael Muhney) which has garnered significant fan attention. Egan's portrayal has garnered a positive response, for which she received Daytime Emmy Award nominations in 2013 and 2014.