and while lambert ghas gone silent for now, brown is not backing down, tweeting over the weekend -- " it. perform your heart out. good night to all the people who live life and who aren't stuck in the past." >> and she's really sensitive about this because her parents were private investigators who frequently took in abused women when she was a child. >> explains a lot. [ female announcer ] think it's impossible to reduce the look of wrinkles after just one use? think again. [ female announcer ] with olay regenerist wrinkle revolution, it's possible to reduce the look of wrinkles in just 10 minutes. now you've seen it. experience it for yourself. [ female announcer ] olay regenerist. ♪ ♪ >>> welcome back, everyone. in the past year kate middleton has become a wife, a duchess, and now a fashion icon with real marketing power. >> while many industries are struggling, the fashion business in britain has been pretty incredible, seeing a lot of growth there thanks to the so-called kate middleton effect. the bbc's emma jones has more. >> reporter: fashion fit for a princess, or at least a d