Nayan and Wikki are having fun on their Spain vacationFor Nayanthara and Vignesh Shivan, love is in the air. After their fantasy wedding and Thailand honeymoon, the power couple is spending another romantic vacation in Spain. Following in the footsteps of Barcelona and Valencia, the lovebirds have now taken over Madrid. The director of Kaathuvaakula Rendu Kaadhal posted a picture of himself and his []