Brant was born in South Africa and later moved to the Gold Coast in Australia. She began singing, dancing, acting and modelling at the age of three.
Brant began her career as an actress with various roles in Australian television. In 2007, Brant appeared on H2O: Just Add Water. She also featured on The Strip, Mortified, The Starter Wife and Are We There Yet?. She also featured in various theatre productions and the travelling Humphrey Bear show in 2007.
Brant joined the Australian children's musical group Hi-5 in 2009 along with Fely Irvine and Tim Maddren, the trio joining Stevie Nicholson and Casey Burgess, forming the line-up known as the "second generation" of the group. Brant remained with Hi-5 for five and a half years, until her final performances with the group in July 2014 on an Australian tour, in which the cast wore costumes she designed under her new fashion label, Loliboli. Brant stated she had "the most amazing journey".
Brant appeared as a contestant in the Australian reality series I'm a Celebrity...Get Me Out of Here! in January 2015. She was eliminated from the competition in February, becoming the fourth contestant to be eliminated. Brant became known for "speaking her mind" and spoke of the intensity of the competition upon elimination.
In March 2015, Brant was announced as part of the cast of Bonnie Lythgoe's pantomime production of Aladdin and His Wondrous Lamp, playing Princess Yasmina. The stage production ran during July in Sydney.
Brant is an ambassador for the McGrath Foundation.
Brant has an interest in fitness.
Brant moved back to the Gold Coast in 2014 after spending six years living in Sydney as part of her role in Hi-5. She was engaged to personal trainer Warren Riley in early 2015.
In September 2015, Woman's Day reported that Brant had allegedly had an affair with ex-NRL player Beau Ryan while they were working on the stage production of Aladdin and His Wondrous Lamp in July, after her then fiance Riley had discovered an exchange of text messages between the pair. Riley stated that she admitted to the affair and he broke up with Brant shortly after.
She's currently the wife of former Australian rules football player, Barry Hall. On December 11, 2016, Brant announced that she is pregnant, in May 2017, Brant and her partner Hall announced the birth of their baby boy, Miller Hall.