Chennai: Actress Sonal Chauhan has landed an important role in Arya and Anushka Shetty starrer Tamil-Telugu bilingual �Size Zero�, a romantic comedy about the travails of an obese girl. Sonal is expected to join the sets next week. "Sonal will be playing the second lead. It's a brief role but very important from the perspective of the story. She will start shooting from next week," a source said. Anushka plays an obese woman in �Size Zero�, which will be helmed by Prakash Kovelamudi and produced by PVP Cinema. Sonal is currently busy with Ram Pothineni-starrer Telugu romantic-drama �Pandaga Chesko�. IANS