Complex sentence: In late 2004 Somers returned to the small screen when he made the controversial move to sign with Nine's arch rival, the Seven Network, hosting "Dancing with the Stars" a live program where 10 celebrities battle it out each week in a dance competition.
Split into simpler sentences: In late 2004 Somers returned to the small screen when he made the controversial move to sign with Nine's arch rival, the Seven Network. He now hosts "Dancing with the Stars" a live program where 10 celebrities battle it out each week in a dance competition.