Back in March of this year, former "Mary Tyler Moore Show" actress Valerie Harper was given only three months to live. The 74-year-old had been diagnosed with leptomeningeal carcinomatosis, a rare form of cancer in which cancer cells spread into the membrane surrounding the brain. 

"I don't think of dying," she told People magazine. "I think of being here now. 

"I'm well past my expiration date already," she added, a nod to the lung cancer she previously beat in 2009. "I've had a good run. What more could I ask for?"

With yet another expiration date come and gone, Harper is now focusing on living it up through dancing - with TMZ landing the scoop that she will be one of the new celebrity contestants participating on the next season of "Dancing with the Stars." Other well-known names include Leah Remini, Snooki, Elizabeth Berkley, Christina Milian, and Keyshawn Johnson.

According to TMZ, Harper has been paired with dancing pro Tristan MacManus and is "completely self-sufficient and doesn't need any special assistance ... at least so far."

What an amazing inspiration! "Dancing with the Stars" Season 17 premieres Sept. 16 at 8 p.m. EST on ABC.

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Michael d'Estries ( @michaeldestries ) covers science, technology, art, and the beautiful, unusual corners of our incredible world.

Terminally-ill Valerie Harper to compete on 'DWTS'
Actress, best known for her role as Rhoda on 'The Mary Tyler Moore Show,' was diagnosed with terminal brain cancer back in March.