Gwyneth Paltrow's choice to wear Pacini heels as high as 6, 7 or, gasp!, 8 inches while traveling the world to promote her turn as Pepper Potts in Iron Man has spiked sales of the heels in Britain's trendier shops, the Independent reports. Credit crunch, begone: The "Gwyneth-effect" is pushing $2,000 sky-high models off the shelves at Harvey Nichols; Selfridges reported a 35% boost in its sales. (More Gwyneth Paltrow stories.)