Songstress Paula Abdul has been signed by Smart Skincare as spokesperson for Cell-Rx. Cell-Rx is a dermatologist-developed skin care line of anti-aging products that combines scientific advances with natural ingredients. Cell-Rx is said to help build collagen in the skin, diminish fine lines, reduce puffiness, improve elasticity and even and brighten skin tones. The product also protects the skin from potentially-damaging UVA and UVB rays. Ms. Abdul is featured as the face of the brand during t...