Campbell died at the age of 38 in late December in Portland, Oregon
The actress was complaining of congestion before 'passing out in a bathroom'
She had said she felt like a cold was coming on and was not sure if it was COVID
Jessica is best known for co-starring with Reese Witherspoon in 1999's Election
Reese said on social media: 'So heart broken to hear this. Working with Jessica on Election was such a pleasure. I’m sending all my love to Jessica‘s family and loved ones'
Campbell also starred in the films The Safety Of Objects and Junk