Tamil actress Tamanna Bhatia has been roped in as the face of soft drink brand Fanta. She will be its brand ambassador in Tamil Nadu, Tamanna’s stock is soaring these days. We hear that the star will be replacing Genelia in promoting a soft drink in the South. Genelia had been endorsing Fanta till recently and soft drink major Coca Cola had been looking for an appropriate replacement and Tamanna fit the bill. The company has, thus, signed on the star to be its brand ambassador for the southern region.