An egg sandwich half-eaten by Britney Spears as sold for $500 (GBP280) in auction website eBay. The partially consumed snack was put up for sale by a seller who served the TOXIC singer and her husband Kevin Federline at an award ceremony earlier this year (06). The lot attracted 43 bids before the Golden Palace Casino - which snapped up Spears' pregnancy test last year (05) - lodged the winning bid.