Complex sentence: He joined the cast of "Fashion Police" in 2010 as a regular co-host.Kostiopoulos has a mastered the niche of men's fashion, and offers fashion advice for men and women based on a man's point of view.
Split into simpler sentences: He joined the cast of "Fashion Police" in 2010 as a regular co-host.Kostiopoulos has a mastered the niche of men's fashion. Kotsiopoulos offered fashion advice for men and women based on a man's point of view.