• Katy Perry, like Lady Gaga before her, has succumbed to the charms of Jean-Charles de Castelbajac's fall collection. The singer wore this dress to the label's spring show — which is like wearing the band t-shirt to the concert. [People]

• Handbag model Lily Allen performed live at the farming-themed, hay-strewn Chanel show this morning. [Fashionista]
• Claudia Schiffer has formally announced she will no longer do any runway modeling. She plans to fill her downtime with a trip to Iraq. [Sun]

• Bono's wife Ali Hewson is suing Stella McCartney over the title of her unreleased perfume, "Nude." Hewson, who also has a sustainable fashion brand, oversees Nude Skincare, and feels that McCartney's brand is too close to her own. [Daily Mail]

Another day, another story about how hard it is to make plus-size clothing.

• Michelle Obama will not attend the CFDA Fashion Awards, despite the fact that she is receiving the CFDA's Board of Directors' Special Tribute (an award they made up especially for her). [WWD]

• Olivier Theyskens is holding true to the fundamentals. “When the economy changes, it’s not like you want to start eating bad-tasting chocolate,” he said, after showing his pre-fall collection for Nina Ricci. [WWD]

• Clothing line Anchor Blue has signed Heidi Montag to be its new face. Because execs want to appeal to a "slightly older" demographic. No, really. [WWD, sub req'd]
  
• Would you like to be Erin O'Connor's escort to a show during London Fashion Week? Well lucky for you she's holding a contest with Vogue UK. To win her hand…

• Karl Lagerfeld has designed a lead figurine of himself, to be sold as a limited edition (1,000 units only) for $300 at Paris boutique Colette. Perfect for teaching etiquette, nutrition, and brand-expansion strategy to your Homies! [WWD, 3rd item]
  
• Agyness Deyn has replaced Drew Barrymore as the face of English designer…

• Todd Oldham has been named creative director at Old Navy. Says ON prez Dawn Robertson:"Todd was an interesting choice because he is so relevant. He is really modern." Which is interesting, you see, because the Gap usually goes the extra mile to be irrelevant. [WWD, sub req'd]
  
• Cell phones are the new handbags, so if…