Nicole Richie and her daughter can't decide on a Halloween costume for the toddler to wear.

The reality TV star - who has 21-month-old daughter Harlow and newborn Sparrow with partner Joel Madden - says the family are struggling to agree on what outfits they will wear to a ghoulish party on Saturday (31.10.09).

Joel Madden has denied reports he has married Nicole Richie.

The Good Charlotte rocker - who has two children, 21-month-old Harlow and six-week-old Sparrow with the reality TV star - insists claims the couple wed in a secret ceremony are false.

Nicole Richie has accused partner Joel Madden of not helping with the housework.

The 28-year-old star - who has two children with Joel, and is believed to have married him in a secret ceremony on Wednesday (14.10.09) - is annoyed at Joel's refusal to help her keep their home clean.

Nicole Richie and Joel Madden have reportedly got married.

According to website RadarOnline, the couple - who celebrated the birth of their second child, son Sparrow, last month - are rumored to have secretly tied the knot in an intimate service on Wednesday (14.10.09) after obtaining a marriage license last week.