Girls Night in event at 21 Dorothy Perkins stores tomorrow night, 4pm till late.
20% off everything, free beauty gift from Herbal Essences, free drinks from Lambrini, complimentary makeovers & gifts from Collection 2000, live DJ's.
Follow the link to find participating stores.
You can also save 20% off everything online all day Thursday. I assume this discount will be automatically deducted at the online checkout as there is no code.