The trend product planning for H&M's Spring/Summer 2007 collection plays two major cards: "celebrity effect" and "retro trend." Without a doubt, the "celebrity effect" is a tactic that H&M has consistently favored. From Karl Lagerfeld to Victor & Rolf, celebrities have "descended" to design mass-market fashion items for H&M, which is undoubtedly linked to the growing influence of celebrity culture. An increasing number of brands are choosing celebrities whose values align with their own brand values, fully leveraging the celebrities' influence to satisfy the public's desire to emulate idols while bringing significant commercial value. For instance, Kate Moss collaborated with Topshop to launch KM For Topshop, and Milla Jovovich partnered with Mango to release Jovovich-Hawk for MNG. Thus, this season, H&M has set its sights on pop queen Madonna...