Heroine Samantha has recently signed popular jewellery maker JewelOne as their brand ambassador. After the likes of Maaza, Paragaon, South India Shopping mall and Lux in her kitty, this is the latest addition. Dazzling in different jewels that adored her beautiful nape, Samantha radiated with her beautiful smile. Definitely this ad campaign is going to boost the sales of the jewellry maker, says adverstiement makers. She has recently shot for this ad in Mumbai and posed in four different dresses for the campaign. Samantha is quite excited about the ad campaign.