Bagust grew up in
Christchurch and attended
University of Canterbury, where she completed a Bachelor of Fine Arts in 1995. She began her television career at local TV station
Cry TV. She later co-hosted youth TV series
Ice TV, its sequel
Ice As, and later a wide range of programming include travel shows, real estate shows, and game shows. She was also a regular host of the annual event
Coca-Cola Christmas in the Park and ''
St Paul's GLOW Carols by Glowstick''. In 2008, 2009 and 2010 she hosted New Zealand programme ''What's Really In Our Food?'', broadcast on
TV3. At the same time, she hosted a weekly radio programme with
Pat Brittenden on
Newstalk ZB. She changed networks in 2011 to present
TVNZ's
Breakfast alongside Corin Dann. In October 2012 she announced her departure from the show and was replaced the following year by
Toni Street. In March 2022, Bagust launched a
Rova podcast called
Grey Areas, featuring her speaking with guests including Jackie Brown, Wendyl Nissan,
Karen Walker, Robert Rakete,
Miriama Kamo and
Robyn Malcolm, about growing older in New Zealand. It soon became the top podcast in New Zealand and stayed in the top ten
Apple Podcasts for eight weeks. Season two was launched in September 2022. In February 2023, Bagust launched a weekly two hour radio show that she hosts on
Today FM called
Sunday Sanctuary. Bagust is also a media
chaplain with the
Christian Broadcasting Association. ==Awards==