Billie Eilish was seen leaving a home in Los Angeles on Tuesday.The 18-year-old Bad Guy crooner had on a black tank top with an olive green hoodie, which was zipped almost all the way down, ripped black jeans and black sneakers as she carried a large black duffel bag on her shoulder.As the Grammy winner walked to her car she gave her brother Finneas O'Connell, whom she has created music with since her early days as an artist, a hug.