Shiloh Jolie, who now goes by "Shi," is the daughter of actors Angelina Jolie and Brad Pitt.What’s in a name? For Shiloh Jolie, quite a bit.Last week, Variety reported that the 19-year-old had attended French designer Isabel Marant’s capsule launch with Net-A-Porter. But she wasn’t there as just another A-list offspring – she was a choreographer with a new name. Gone was “Shiloh Jolie”, who instead was billed as the event simply as Shi, a shortened version of her legal name, and reportedly lent her choreography skills to a performance of singer-songwriter Luella’s new single, Naïve. This isn’t the first evolution of the teen’s identity. Last year, she legally dropped “Pitt” from her surname, becoming Shiloh Jolie – trimming the hyphen and, perhaps, some history.And she wasn’t alone in doing so. That same year,