All hail Lily Allen and her 'baggy vagina'. I do have a strong opinion on sexism and think that it is unfair that women have to dance in a sexual way or sell themselves to sell their music. After the launch of a new campaign urging the music industry to stop sexism in singers' videos, Rosie Thomas, a 13 year-old girl, explains why she thinks age ratings are probably a good idea. Rosie Thomas is a schoolgirl from South London. Lily Allen surrounded by her 'twerkers' in her new music video. Although saying that it might become a problem if they copy the singer too much if their actions are really inappropriate. Telegraph Dating: Find your perfect match. Mums salute Lily Allen's vaginal honesty.