Karen Koster (born 9 April 1981) is an Irish-Dutch television presenter, known for her work on Xposé and Ireland AM.
She graduated from Trinity College Dublin, in 2003 with a degree in English Literature and French.
[4][5] She rejoined Ireland AM in 2019 as maternity cover for Ciara Doherty before becoming a permanent co-host following the cancellation of Xposé and departure of original presenter Mark Cagney.
[citation needed] In 2013 she married her businessman boyfriend of six years John McGuire Jnr in Sicily, Italy.
[7][8][9][10][11][12] In October 2015 she revealed that she was five months pregnant and her second son, John James, was born in February 2016.