Sean Stewart was born to Alana Hamilton and Rod Stewart in 1980. He is the brother of Kimberly and step brother of Ruby, Renee, Liam and Alastair. He was one of the first children of Rod Stewart since Rod had remarried three times after his divorce with Alana. Sean Stewart is surrounded by controversy as the latest news would have to be that of his lust for his stepmother during his teens, Rachel Hunter. Sean had admitted during a promotion for his new reality TV show Sons of Hollywood that he used to lust for his stepmother and used to masturbate while watching her sunbathing by the pool. This is not the first time he has been cast in the shadow of negativity. He was also once in a club fight while trying to defend his sister, Kimberly. It was reported that he spent some time in jail in 2002 and was treated for drug use. Alana Hamilton also accused Rod Stewart of being a bad father to Sean, thus the upbringing that he had during his younger years.

Sean Stewart stars in the reality TV series Sons of Hollywood which features three young men in pursuit of their own identity. It stars Randy Spelling and David Weintraub along with Stewart and showcases the highlights of living the high life, and the drama that comes along with the relationships they have built with the people around them. It also features the tragic downfall of Randy Spelling as his father dies while the series was being filmed.