The tattoo itself, above, is of a Bell, which obviously represent Bell's last name. Inside the bell, adorably, are scrawled three initials: K, L, and D for Kristen, Dax, and little baby Lincoln.
"I don't like wearing jewelry, but I felt obliged to warn all the men that I'm taken," Shepard joked during his appearance on The Ellen DeGeneres Show today. "I thought a tattoo would be fitting. And her last name, conveniently, is an object I could tattoo."
See more: The Most Shocking Celebrity Weddings
The only problem is that he has to figure out a way to fit in baby number two's initial into his body art. He poked fun at the fact that he's stuck naming his child something with a D, K or L. "Dellen," Shepard joked. "Dellen Egeneres."
Aside from the name, the pair is also choosing to keep the baby's gender a secret. "It's going to be a surprise ... to America," he told the talk show host.
We love the idea of choosing your own marriage marker. But Shepard isn't the only celeb to get a tattoo on his wedding ring finger: Beyoncé and Jay Z both got the Roman numeral for four, IV, tattooed on their fingers to symbolize their bond.