Irvine was born in St Andrews, Scotland. She has a younger brother, David William Irvine (born 1968).[3] Educated at Hermitage Academy in Helensburgh, she achieved an MA in History of Art at the University of St Andrews, and competed in golf, netball and athletics at university level. In her final year she was Senior Student of Hamilton Hall.[4]
In August 2008, Irvine presented Olympic Breakfast as well as being one of the commentators for the opening and closing ceremonies of the 2008 Olympics in Beijing.[5][6] She reprised these roles for the 2012 Games in London.[7][8]
Irvine claims to have married her long-term boyfriend, whose identity is unknown,[18] at a private ceremony in Scotland in 2008.[19] The couple live in London with their daughter who was born in 2008.[20][21]