Bollywood beauty Katrina Kaif’s sister Isabelle Kaif is not an unknown face in the tinsel town. Although Isabelle is all set to follow her sister’s footsteps, she is already a star with over 5 lakh followers on social media. Meanwhile, Isabelle has become the talk of the town after being snapped with a star kid and posing for shutterbugs. He is none other than Sonam Kapoor’s brother Harshvardhan Kapoor. Now rumoured mill is churning that the duo is dating each other and these pictures have added fuel to the fire. Well, only time will say what is brewing between them!