Lady Gaga has us all reciting a prayer to the Gucci gods. ET's Lauren Zima talked to thecast about how one of the film's most memorable lines came to be.«That was something Jared [Leto] and I came up with together,» Gaga, who stars as Italian socialite Patrizia Reggiani, who went to prison for hiring a hitman to kill her ex-husband, Maurizio Gucci, said of the now-viral prayer.When asked if the line was always part of the script, the 35-year-old pop star revealed that the spontaneous one-liner