Complex sentence: Clint Eastwood was in South Africa filming his latest movie Invictus which is based on the 1995 Rugby World Cup, she was so impressed that she booked a private performance for the cast and crew of the film.
Split into simpler sentences: Clint Eastwood was in South Africa filming his movie Invictus which is based on the 1995 Rugby World Cup. She was so impressed that she booked a private performance for the cast and crew of the film.