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. 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. After successfully winning the nomination over
Cinéfest Sudbury International Film Festival director
Tammy Frick, she went on to win her riding in the 2021 election with 34 per cent of the vote. == Committees ==