The "Beverly Hills 90210" star, who was diagnosed with breast cancer in 2015, called her stage 4 diagnosis "a bitter pill to swallow."
Perry's "90210" co-star said the two shared a "special kind of love."
Perry's "Riverdale" co-stars and others shared their heartbreak on social media.
The actor's "90210" co-stars wished him a speedy recovery on Instagram.
Lick it up, baby, lick it up.
"Cancer is with you forever."
“I think my husband and I are morphing into each other," the actress wrote.
"I'm just going to breathe," the actress wrote.
Keep it up, #cancerslayer.
The actress was diagnosed with breast cancer in 2015.