Complex sentence: Her international presence shot up when she accompanied Abhishek Bachchan to the Cannes Film festival shortly after their marriage, and later to "The Oprah Winfrey Show", appearing on 28 September 2009.
Split into simpler sentences: Her international presence shot up when she accompanied Abhishek Bachchan to the Cannes Film festival shortly after their marriage, and later to the Oprah Winfrey show. The couple appeared on "The Oprah Winfrey Show" on 28 September 2009.