Shannen Doherty feels 'blessed' for husband's support amid cancer battle

Shannen Doherty is opening up about her ongoing cancer battle and the support she's getting from her loving husband, Kurt Iswarienko.

The 45-year-old actress took to Instagram on Thursday to post a sweet snapshot of herself and her hubby, laughing, smiling and giving the middle finger as part of the international "F**k Cancer" campaign.

WATCH: Shannen Doherty Steps Out With Her Husband Following Third Round of Chemo

"He loves me with pink hair or no hair," wrote Doherty, who recently shaved her head in anticipation of her battle with the aggressive ailment. "I'm blessed to have such a strong support team starting with @kurtiswarienko who loves me more every second. Can't imagine my life without him."

"Cancer is not pleasant but it can bring out the best in relationships or the worse," she continued. "Thankfully, it has made our marriage stronger."

WATCH: Shannen Doherty Reveals How 'Beverly Hills, 90210' Foreshadowed Her Breast Cancer Battle

After receiving a breast cancer diagnosis in February 2015, Doherty revealed to ET that the disease has spread to her lymph nodes. So far, she's undergone three out of eight rounds of chemotherapy and had a single mastectomy back in May.

Recently, Doherty sat down with ET where she opened up about the effect her cancer has had on her relationship with Iswarienko, sharing, "It's made my marriage a thousand times stronger." Check out the emotional interview below.

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