Complex sentence: In mid-November 2009, O'Donnell disclosed that Carpenter had moved out of their home in 2007; a month later, O'Donnell was seen publicly with her new girlfriend, Tracy Kachtick-Anders, a Texas-based artist.
Split into simpler sentences: In mid-November 2009, O'Donnell disclosed that Carpenter had moved out of their home in 2007. In December 2009, O'Donnell was seen publicly with her new girlfriend, Tracy Kachtick-Anders, a Texas-based artist.