Rebel Wilson wanted to be a rapper when she was growing up. The Australian-born star, 44, has carved out a successful career in acting with roles in the hit film series ‘Pitch Perfect’ and comedy ‘Bridesmaids’ but revealed that when she was growing up, she idolised rap bands and even entered local talent competitions with her sister as a duo called Sisterz. Speaking on ‘The Kelly Clarkson Show’, she explained: “Being a girl from the bush, it’s not like I had any sort of hardcore rap qualifications but I just really loved the music. There was a band called Kris Kross who were real famous. They …