Britney's Blonde Ambition

The following italicized article is from www.pagesix.com:

Did Britney Spears go blond for her role in How I Met Your Mother? A day after the struggling pop star went to shoot her cameo at the Fox studios, we caught her putting what was left of her $1,500 weekly allowance to good mediocre use. The 26-year-old, who was photographed earlier this week with dark brown hair, was sporting a sandy blonde look while perusing racks of plastic accessories at the discount duds story Forever 21.

Source: Page Six