June 26 (UPI) -- Julia Louis-Dreyfus is celebrating "31,000" years of marriage with Brad Hall.
The 57-year-old actress and comedian joked about her longtime relationship with Hall on their 31st wedding anniversary Monday.
Louis-Dreyfus shared a cute throwback photo with her 1 million Instagram followers. The picture shows Louis-Dreyfus and Hall, an actor known for his work on Saturday Night Live, enjoying a sunny day on a boat.
"31,000 years ago today, I married my current boyfriend," Louis-Dreyfus captioned the post.
Louis-Dreyfus and Hall met as students at Northwestern University. The couple are parents to two sons, 25-year-old Henry and 21-year-old Charlie.
Louis-Dreyfus was diagnosed with breast cancer in September. The actress completed chemotherapy in January, and said the next month she was having "great results" after surgery.
"Hoorah! Great doctors, great results, feeling happy and ready to rock after surgery," she wrote on Instagram.