Complex sentence: Moynahan completed work in Elizabeth Allen's "Ramona and Beezus", which was released in July 2010, and has starred in the CBS drama "Blue Bloods" since September 2010.
Split into simpler sentences: Moynahan completed work in Elizabeth Allen's "Ramona and Beezus", which was released in July 2010. Moynahan has starred in the CBS drama "Blue Bloods" since September 2010.