Nayanthara and Vignesh with 'Koozhangal' crew at IFFR | Photo: Instagram/wikkiofficial/ Actress Nayanthara and her beau director Vignesh Shivan attended the world premiere of ‘Koozhangal’ (Pebbles) directed by debutant Vinoth Raj at the International Film Festival of Rotterdam (IFFR) in Netherlands. The couple produced the movie under the banner of Rowdy Pictures. 'Koozhangal’ was selected for the Tiger Competition of IFFR. Vignesh shared some pictures from IFFR venue cherishing the proud moment. The pictures featured Vignesh and Nayanthara with the crew members of ‘Koozhangal’. “Proud about this :) hoping to win the @iffr,” Vignesh captioned the pic.