Complex sentence: On March 10,2015, Stiller and Wilson appeared at the Paris Fashion Week as Derek Zoolander and Hansel and it was announced that "Zoolander 2" would be released on February 12,2016.
Split into simpler sentences: On March 10,2015, Stiller and Wilson appeared at the Paris Fashion Week in character as Derek Zoolander and Hansel. That same day, it was announced that "Zoolander 2" would be released on February 12,2016.