Bollywood actress Sonam Kapoor Ahuja in the latest episode of `Koffee With Karan` revealed why she is thankful to her brother Arjun Kapoor`s ladylove Malaika Arora.

In the segment, #siblingtrolls, Sonam picked out a cards which read: "Who is the s***tier sibling?" Sonam burst out laughing and said: "I don`t even need to say it`s self-explanatory."