Shannen Doherty - LEAD
Credit: Frederick M. Brown/Getty

Shannen Doherty isn't letting breast cancer stop her from getting back out on the tennis court!

The Beverly Hills, 90210 alum, who revealed that the cancer had spread to her lymph nodes earlier this summer, took to Instagram to share a boomerang video of herself and her husband hitting the courts, along with an inspiring message.

"Joined @kurtiswarienko for tennis with #coachtim today," she began the post, adding, "I didn't last long cause stamina is a bit low but I got to do this!!!" In the short clip, the Heathers actress is wearing a New York Yankees baseball cap and aviator sunglasses as she tilts her head to the side. Her husband, Kurt Iswarienko, appears to be swinging a tennis racket in the background.

"Yes I'm late to bommerang #betterlatethannever just getting out on the court again felt so good!!" she continued, adding the hashtags #happymonday #fightlikeagirl #boomerang to her message.

The 45-year-old brunette, who first shared that she had been diagnosed with breast cancer last year, has opened up to her fans about her cancer battle and the loving support of her husband in recent months.