Gary Shirley is a reality TV personality who first came into the limelight after starring on MTV series known as 16 and Pregnant along with his then-girlfriend Amber Portwood in 2008. Amber and Gary and he knocked up his girlfriend amber while she was at the age of 18, Amber gave birth to a girl named Leah Leann on November 12th, 2008.Teen Mom was very popular reality show they weres cast along with their child named Leah Leann Shirley.