Kristen Bell's Daughter, Lincoln, Revealed For the First Time (PHOTOS)

"Veronica Mars" star Kristen Bell gave birth to her daughter, Lincoln, just two months in March, but she and her boyfriend Dax Shephard have not been photographed with their newborn until now, the Daily Mail reports.

Photographers caught Bell and Shephard going for a walk on Thursday in Los Angeles, the tiny baby spotted for the first time.

Shephard pushed Lincoln in her baby carrier, the sleeping girl wrapped comfortably in a pink baby blanket, while new mother Bell walked closed by. Bell looked casual and cute in a blue and white shirt, dark skinny jeans and black chunky heels, wearing purple sunglasses and toting a big black purse and at least two bottles of juice.

Her boyfriend also kept it casual in a pair of jeans, sneakers, a black graphic tee and a fedora, looking right at home in his new role as a father.

When their baby was born, Bell and Shephard both tweeted the news, using comedy to make the big announcement to their fans and followers. "My new roommate poops her pants and doesn't pay rent...basically @daxshepard1 pre-sobriety :) welcome baby Lincoln xo," Kristen bell jokingly tweeted at the time.

"Lincoln Bell Shepard is here. She has mom's beauty and dad's obsession with breasts. Hooray!!!," Shephard tweeted in kind.

Bell, who is currently working on a "Veronica Mars" movie after an extremely successful fan-started Kickstarter project that reached its $2 million goal in less than ten hours, has noticeably been looking slim and svelte after giving birth without a trace of baby weight.

Out in California earlier this week, Bell looked equally fit while photographers caught her and her new family debuting baby Lincoln for the first time, though perhaps accidentally. The two have kept much of their baby news private, though Bell did tweet something sweet on Mother's Day.

"I'm celebrating #Mothers Day by honoring 2 Mom families & joining the call for #marriage #equality #Moms4Marriage," she tweeted on May 12. "As a mom, all I want is for my child to grow up happy & healthy. And gay or straight I want them to experience love."

Click here to see photos of Kristen Bell with her boyfriend in their baby girl Lincoln's public debut in California.