She represents the electoral district of Sudbury as a member of the Liberal Party of Canada.
[1] Lapointe was born in Elliot Lake, Ontario, where her father was a miner.
She later moved to the New Sudbury neighbourhood, where she grew up, graduating from École secondaire Macdonald-Cartier.
[2] She worked for the Ministry of Northern Development and Mines before later becoming executive director of Community Living Greater Sudbury.
In June 2021, she announced her intention to seek the Liberal Party of Canada nomination for the 2021 Canadian federal election, seeking to replace outgoing Liberal MP Paul Lefebvre.