Julia Louis-Dreyfus Tackles Chemo With Humor, Grit And Katy Perry

Julia Louis-Dreyfusis showing breast cancer who’s boss.

In an Instagram she posted Thursday, the “Veep” and “Seinfeld” star struck a feisty note dressed in a funny getup of hoodie, sunglasses and drawn-on mustache. She wrote that she had just finished her second round of chemotherapy, quoting Katy Perry’s “Roar” to amplify her determination to fight the disease.

The actress thanked the singer, along with “Veep” co-stars Tony Hale and Timothy Simons, for their “hilarious and loving inspiration.”

Louis-Dreyfus announcedshe had breast cancer last month, reportedlylearning of her diagnosisthe day after she won her sixth-straight Emmy for “Veep.”

1 in 8 women get breast cancer,” she wrote on social media. “Today, I’m the one.”

This article originally appeared on HuffPost.