Lynette Ann LaCoste Langlois, 66, of Metairie, Louisiana passed away peacefully Tuesday, November 19, 2019 surrounded by her loving family. Lynette was born on August 17, 1953 in New Orleans, LA. She was the daughter of the late Anthony Henry LaCoste and the late Jean Frances McDowell LaCoste. She is survived by the love of her life of 48 years, Lloyd Andrew Langlois, Jr. and her only daughter Jeannette Frances Langlois-Dew along with her son-in-law, Brian Joseph Dew. She was “Grannie” to her only granddaughter who was the light of her life, Brianne Frances Dew and her Grand-Dog Nala. She was the sister to two brothers, the late Ronald Anthony LaCoste (Grace), Roy Francis LaCoste (Uneeta) and a sister-in-law to the late Diane LaCoste, Deborah Langlois Cordes (George) and Diane Langlois Champagne (Randel). She was aunt “Nette” to a host of nieces, nephews, great nieces and great nephews. Lynette attended grade school at St. Maurice in New Orleans and graduated from Annuciation High School in New Orleans in 1970. After graduation she began working as an insurance adjustor for INA-Cigna-ESIS-ACE for 35 years and currently worked for Landmark Surveying, INC. for the last 10 years. Lynette was a devoted wife, mother and Grannie who enjoyed traveling, watching the Saints games and spending time making memories with her family and friends. In 2011, Lynette was diagnosed with Stage Four Breast Cancer. For the next eight years, Lynette refused to allow this disease to slow her down. Enduring countless procedures and treatments, Lynette fought to live life to the fullest as she cherished every memory made with her family and friends. At times, day to day life was a struggle for Lynette but her faith in God provided her with the strength and courage to continue her battle all while continuing to live life. It was that devotion to God that allowed Lynette to pass peacefully, surrounded by her loving family. Relatives and friends are invited to attend a Funeral Mass at 1:30 PM on Monday, November 25, 2019 in the J. Garic Schoen Chapel of JACOB SCHOEN & SON FUNERAL HOME, 3827 Canal Street, New Orleans, LA 70119. Visitation will begin at 10:30 AM. Interment will be private. The family asks in lieu of flowers, please become a blood donor or donate to any Breast Cancer Foundation.