Billie Reed is a fictional character from the NBC soap opera, Days of Our Lives. Created by writer Sheri Anderson, Billie's storylines focus on everyday life in the fictional town of Salem. Billie did not know her mother was Kate Roberts until a court hearing after being accused of murdering her father Curtis Reed. Billie's relationship with Bo Brady was famous to the character, and was a key reason she became such a popular character. The two share one daughter, Chelsea Brady.