Andrea Joy AJ Cook born July 22 1978 is a Canadian actress best known for her role as Supervisory Special Agent Jennifer JJ Jareau in the CBS crime drama Criminal Minds She has also appeared in several Hollywood films including The Virgin Suicides Out Cold and Final Destination 2 Cook was born in Oshawa Ontario and spent most of her life growing up in Whitby where she attended Anderson Collegiate Vocational Institute Her father Mike is a teacher and her mother Sandra works as a psychiatristShe has three siblings Nathan Paul and Angela Cook is a member of The Church of Jesus Christ of Latterday SaintsA dancer from age fourCook began taking jazz tap and ballet lessons She danced competitively for many years before deciding at the age of 16 that she wanted to try acting On August 3 2001 Cook married her longtime boyfriend Nathan Andersen whom she met in a film class at Utah Valley University She later moved to Salt Lake City Utahto be with him and currently resides in Los Angeles CaliforniaIn March 2008 it was reported that Cook and Andersen would be expecting their first child in OctoberTheir son Mekhai Allan Andersen was born on September 13 2008 Cook said Hes such a good baby I feel so lucky that hes mine My husband and I feel very blessedMekhai made a brief appearance as Henry LaMontagne in Criminal Minds in Season 5 when Cooks character Jennifer Jareau was in a pharmacy buying childrens medicine which leads to a breakthrough in the case the BAU was currently trying to solve13 He reprised the role of Henry in the Criminal Minds twohour season seven finale in 2012 Cook and Andersen are also the owners of a Yorkshire Terrier named ZaraCook was considered legally blind at an early age because of a severe astigmatism but wore contacts to correct her vision She eventually underwent surgery where a lens implant was used to correct the impairmentCook is best friends with actress Meghan Ory Description above from the Wikipedia article A J Cook actress licensed under CCBYSA full list of contributors on Wikipedia