Britney's Mom Meets "Met Your Mother"

So Britney Spears began shooting her guest spot on CBS' "How I Met Your Mother" yesterday in L.A., and, appropriately enough, Brit's mom came by to see her kid.Usmagazine.com reports that Lynne visited Brit's trailer (insert socioeconomic zinger here), and that Britney was costumed up in what sounds like the most demure thing she's worn in years: a blue shirt, black heels, glasses, and a "secretary-style" skirt.As TMZ reported yesterday, Alicia Silverstone, who was supposed to play the "Mother" of the title, backed out of the role when she learned Britney

Source: TMZ