The actress was firm in her stance about changing herself for the entertainment industrySophia Loren, 1959Credit: Tony Vaccaro/GettyNEED TO KNOWSophia Loren made her screen debut in 1950, but was working hard on breaking through to more mainstream successThe Italian actress, now 91, recalls her then-partner Carlo Ponti's suggestion that she shorten her noseLoren's response highlighted her confidence and refusal to allow the industry to push her …