The daughter of the former Ryder Cup captain Bernard Gallacher, Gallacher was born in Edinburgh. When her father got the job of professional at Wentworth Golf Club, they moved south when she was 18 months old. Gallacher and her younger brother and sister were raised on the Wentworth Estate, where their close neighbours included Bruce Forsyth.
Wanting to be a fashion journalist, Gallacher graduated from the London College of Fashion in journalism and promotion. Approached by Mark Sharman, then deputy head of sport at SkyTV, at a golf awards ceremony, she began working as a production assistant in 1996, before moving on to the position of editorial assistant on Sky Sports.
She got her presenting break on Sky Sports News in 1998, and since then has been associated with many other sports shows such as 90 Minutes, Soccer Extra, Kirsty and Phil (on BBC Radio 5 Live) and Soccer AM.
From 2000 until 2004, Gallacher hosted the Sky1 show Kirsty’s Home Videos, a satellite equivalent of ITV’s You’ve Been Framed in which viewers send in home videos to be screened. In 2002, she presented the morning show RI:SE, and in 2004 co-presented ITV gameshow Simply the Best. She has made guest appearances on They Think It’s All Over and A Question of Sport, and she was a regular guest on Ant & Dec’s Saturday Night Takeaway.
In 2005, Gallacher won the third series of the popular Channel 4 reality TV series, The Games. She then presented the following years alongside Jamie Theakston. In December 2005 she released a DVD “Body Sculpt With Kirsty Gallacher” in which she shows a variety of workouts. In July 2006, she co-presented the BBC reality TV show Only Fools on Horses.
Gallacher presented the new UK Gladiators on Sky1 alongside Ian Wright. She did not return for series two.
On March 29 2011 Sky Sports confirmed that Kirsty will be returning to the satellite company in May 2011 to work for Sky Sports News presenting its revamped re-launched breakfast show Good Morning Sports Fans. She appeared on May 4 during the Afternoon Report alongside Simon Thomas.
Gallacher has been a cover girl for the men’s magazines Maxim and FHM. She has appeared regularly in FHM’s annual ‘Sexiest Women’ poll.
Having met at a charity event in 1999, Gallacher and her partner, Paul Sampson live in Surrey. Their son Oscar was born in 2006, after which Gallacher suffered from post-natal thyroiditis. The couple got married on 24 July 2010. Kirsty gave birth to their second son, Jude Sidney, on the 19 January 2010.