Sean Lowe fell in love with his wife, Catherine, on ABC's "The Bachelor." The happy couple welcomed their first baby into the world Saturday, and the first pictures they shared on social media are precious.

>> Click here to see the photo

"I think I'm in love," Catherine wrote on Instagram.

They named their son Samuel Thomas.

>> Read more trending stories

New daddy Sean posted on Instagram, as well, and shared the good news on Twitter.

>> Click here to see his tweet

>> Click here to see the Instagram photo

A few days earlier, Catherine posted on Instagram a side-by-side shot of her pre-pregnancy body and her body at nine months pregnant. "BREAKING NEWS: I'm still pregnant," she wrote.

>> Click here to see the post

The couple met in 2013 and later got married in 2014 in a TV special. Sean's father performed the ceremony.