By Sandra Rose  | 

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Marcus and Diamonique Valentine are expecting their first child since her cancer diagnosis. The Instagram stars revealed the news on their Instagram page, @the_victorious_valentines.

Diamonique was 27 in 2019 when she discovered a lump in her breast. She was diagnosed with Stage 3 triple-negative breast cancer, an aggressive form of cancer.

"It just seemed unreal. It felt like a nightmare," she told CBS News.

With the support of her husband, Marcus, Diamonique endured 16 rounds of chemotherapy and a double mastectomy.

Marcus and Diamonique shared their inspirational story in an exclusive video on PEOPLE's official Twitter page.

Marcus said Diamonique apologized to him for being sick. He responded:

"I said to my wife, 'I was homeless and a high school dropout and you took a chance on the covenant. It would be an honor for me to roll you in a wheelchair. It would be my honor to show your momma and your daddy who thought I was a thug and a punk. It would be an honor for me to show your daddy while you're sick that I meant what I said over 25 years ago with confidence: I ain't going nowhere.'"

She was determined to survive so she and Marcus could bring a new life into the world.

Watch their inspirational video below.