Hailey Brouillet, a student who was involved in a seven car pileup last week, died today, according to her friend Maria Arellano.

The accident occurred at the corner of Rochester and Hamlin Road Oct. 23.

Brouillet, 20, was being treated at McLaren Hospital. She was a junior and a 2011 graduate of Troy High School. 

The Oakland Post will update this story as more information becomes available.