Season Episodes Originally aired First aired Last aired 8 October 14 , 2007 ( 2007 - 10 - 14 ) December 2 , 2007 ( 2007 - 12 - 02 ) 11 March 9 , 2008 ( 2008 - 03 - 09 ) May 26 , 2008 ( 2008 - 05 - 26 ) 12 March 8 , 2009 ( 2009 - 03 - 08 ) May 25 , 2009 ( 2009 - 05 - 25 ) 11 November 8 , 2009 ( 2009 - 11 - 08 ) February 21 , 2010 ( 2010 - 02 - 21 ) 5 12 August 22 , 2010 ( 2010 - 08 - 22 ) December 20 , 2010 ( 2010 - 12 - 20 ) 6 16 June 12 , 2011 ( 2011 - 06 - 12 ) December 19 , 2011 ( 2011 - 12 - 19 ) 7 19 May 20 , 2012 ( 2012 - 05 - 20 ) October 28 , 2012 ( 2012 - 10 - 28 ) 8 21 June 2 , 2013 ( 2013 - 06 - 02 ) December 1 , 2013 ( 2013 - 12 - 01 ) 9 20 January 19 , 2014 ( 2014 - 01 - 19 ) September 1 , 2014 ( 2014 - 09 - 01 ) 10 17 March 15 , 2015 ( 2015 - 03 - 15 ) October 11 , 2015 ( 2015 - 10 - 11 ) 11 13 November 15 , 2015 ( 2015 - 11 - 15 ) February 21 , 2016 ( 2016 - 02 - 21 ) 12 21 May 1 , 2016 ( 2016 - 05 - 01 ) November 20 , 2016 ( 2016 - 11 - 20 ) 13 14 March 12 , 2017 ( 2017 - 03 - 12 ) June 11 , 2017 ( 2017 - 06 - 11 ) 14 22 October 1 , 2017 ( 2017 - 10 - 01 ) March 2018 ( 2018 - 03 )

Question: latest series of keeping up with the kardashians
Answer: 14