Renee Zellweger was 'amazed' when she saw herself as murderer Pam Hupp for the first time after donning a body prosthetic.The 52-year-old actress transformed into the killer, who is serving a life sentence for the 2016 murder of Louis Gumpenberger, for the upcoming NBC true crime series The Thing About Pam.The star recently sat down for an interview with Entertainment Tonight and insisted that it was 'really important' for the viewers that she tried to look as much like Hupp as possible. In awe;Renee Zellweger was 'amazed' when she saw herself as murderer Pam Hupp for the first time after donning a body prosthetic; she is seen in FebruarySpeaking about seeing herself as Hupp for the first time, she said: 'I was amazed.