Janelle Pierzina didn't last long on this season of 'Big Brother,' but boy did she cash in -- selling a necklace she wore on the show for a small fortune, before putting that dough to good use. The "Big Brother All-Stars" contestant wore a gold-plated "Janelle" necklace this season, and while she was the third houseguest voted out ... that necklace is now a sweet silver lining. Janelle decided to sell it on eBay ... and it went for a whopping $18,300!!! But, get this, Janelle -- who made the top 3 on "Big Brother 7 All-Stars" in 2006 -- decided to donate the entire proceeds to Give Kids The World Village ... an ... (full story)