She is best known for her roles as Chloe James in the Disney Channel sitcom Dog with a Blog (2012–2015) and Nellie Chambers in the Brat web series Crown Lake (2019–2020).

[3] Capaldi also appeared in The Peanuts Movie (2015), Max 2: White House Hero (2017), and two episodes of How I Met Your Mother (2012).

Farm and in the CBS comedy How I Met Your Mother, as a 7-year-old Lily, who is played as an adult by Alyson Hannigan.

Capaldi also stars in Corbin Bernsen's independent film 3 Day Test and in Dog with a Blog on Disney Channel, her series regular debut.

[7] In 2019, Capaldi starred in the web series Crown Lake on Brat TV as Nellie Chambers, a girl who is targeted by an unknown person at a boarding school in 1994.