Karen Koster is the main anchor for Ireland's primetime entertainment news show, Xposé which is broadcast on TV3, every weekday evening.
If there's a glamorous red carpet event, then you can guarantee Karen will be there! On Xposé, Karen has interviewed some of the hottest stars of the big and small screen as well as reporting on all the latest music, fashion and beauty news. Highlights so far include covering the Oscars in LA, The Baftas and the Cannes Film Festival.

Karen from Killiney, Co. Dublin, joined TV3's breakfast show, Ireland AM in February 2004 and cut her teeth presenting the weather. She quickly ascended up the ranks and moved onto covering fashion, beauty and reporting on entertainment stories.
After working on live TV for 3 years, Karen then joined Xpose when it launched in 2007.
During her time in TV3, Karen has presented numerous shows for the station including The TV Now Awards, Total Xposure, Midday, and in the summer she'll be presenting a documentary in conjunction with Sideline Productions, where she'll meet Ireland's most talented teens who'll be honoured at this year's Foroige awards.
Karen is much in demand as an MC, and this year will see her host the annual L'Oreal Colour Trophy Award. In the past she has hosted Dublin Fashion Week, the Nicky Clarke Hair Roadshow, The Westcoast Cooler series of style evenings, and numerous wedding fairs and fashion shows all around the country. All of this is in addition to hosting Xpose Live along with her co-presenters, which this year took place in both Dublin and Cork.
Karen has also acted as Horse Racing Ireland's Fashion Ambassador. And this year she became the Irish face of Karen Millen, who dress Karen exclusively on Xpose.
Karen graduated from Trinity College, Dublin in 2003 with a degree in English Literature and French.
Aged 20, she got her first taste of TV when she featured in The Selection Box, the reality series which followed auditions for the job of presenting the quiz show The Fame Game.Karen then decided that television was the industry she wanted to work in. She went on to work as a runner on various entertainment programmes for RTE, before sending her show reel to TV3.
