Westcott played lead for Team Manitoba (skipped by Kristy Jenion) at the 1996 Canadian Junior Curling Championships.

Westcott won her first provincial women's championship in 2010 playing lead on Team Jill Thurston.

The team represented Manitoba at the 2010 Scotties Tournament of Hearts, where they finished the round robin with a 7-4 record, and lost in the tiebreaker match.

In March 2018, Westcott announced she was joining a Winnipeg-based team skipped by Allison Flaxey, with third Kate Cameron and second Taylor McDonald.

On March 22, 2019, it was announced that Westcott would join Theresa Cannon, Karen Klein and Vanessa Foster for the 2019–20 curling season.

Next they played in the 2019 Cameron's Brewing Oakville Fall Classic where they lost in the quarterfinals to Daniela Jentsch.

[4] At the 2021 Hearts, they finished with a 9–3 record, putting them in a third place tiebreaker match against Alberta, skipped by Laura Walker.