Complex sentence: In 2007, Acuña starred in the reality TV series "Armed and Famous" and in July 2007, Acuña appeared on TV as a host of MTV's Scarred Live.
Split into simpler sentences: In 2007, Acuña starred in the reality TV series "Armed and Famous". In July of 2007, Acuña appeared on TV as a host of MTV's Scarred Live.