She has a small number 5, which was Monteith's character's football jersey number.
Monteith was found dead in his room by staff at Vancouver's Fairmont Pacific Rim hotel on July 13, 2013. The actress has three tattoos in honor of Cory.
She penned the caption, "4 years and it still feels like yesterday. love you more C".
In April of that same year, Monteith completed a stint in rehab receiving treatment for substance addiction. In 2015, Lea opened up about having to heal her heart before allowing herself to find love again following the tragedy.
Months after his death, Michele appeared on "The Ellen DeGeneres Show" and explained why she chose to return to "Glee" after her boyfriend's death.
Lea was 26 years old when Cory died, and they dated for over a year.
Currently, she is working on a television project called The Mayor.
"I love and support Cory and will stand by him through this", Michele told People at the time.
'This is so attractive makes me cry, ' said one commenter, and another wrote: 'All my heart is with you and Him'.