Kareena Kapoor and Kartik Aaryan. Picture Courtesy: Instagram/kartikaaryan

Bollywood's trendsetter Kareena Kapoor Khan is likely to romance the young heartthrob Kartik Aaryan in a Karan Johar film. The duo had earlier walked the ramp for celebrated designer Manish Malhotra in Singapore. Their pair was loved by one and all, and the pictures and videos from the fashion event went viral on social media.