Jessica Alba, Cash Warren and friends attended the CHANEL Numeros Prives Opening Night Party in Las Vegas on Saturday (Jan 21).

Jessica Alba is slaying your favs in  a black & white silk dress from the 2012 Cruise Collection (look 35) with CHANEL Fine Jewelry: “Ultra “cuff in white gold, black ceramic and diamonds, “Black and white camelia nervure ring” in white gold and diamonds, the “Franges soleil ring” in white gold and diamonds, the “Soleil diamond ring” in white gold and diamonds and “Collarette earrings” in white gold , black and white diamonds.  Click on the previews above to view more photos.