In 2022, Phillips was re-elected over Liberal candidate Andrew Constance by 373 votes.

[1] Her narrow victory made Gilmore the most marginal electorate in Australia for this election.

[2] Before entering parliament Phillips worked as a senior industrial relations officer for Westpac (1991–1995), human resources officer for the City of Shoalhaven (1996–1997), placement coordinator for the Shoalhaven Schools Workplace Learning Program (1997–2002), lecturer at TAFE NSW (2002–2017), commerce tutor at the University of Wollongong (2002–2015), and business operations manager in the Navy Aviation Systems Program Office at HMAS Albatross (2007–2009).

[2] Phillips became involved in politics as part of a campaign to save a local swimming pool.

She was elected in Gilmore at the 2019 election with a two-party-preferred swing of just over 3 points, defeating the high-profile Liberal candidate Warren Mundine after the retirement of the incumbent Liberal MP Ann Sudmalis.