'Our sweet baby boy, Charlie Wolf Tell, has arrived!' the blonde beauty wrote in her caption.
She added, 'When you're not sleeping, that's a form of torture!
In September, Conrad gave an update on her pregnancy as she shared a snap of her growing baby bump on social media.
Cute image: Lauren Conrad has welcomed her second child with husband William Tell. Lauren welcomed a lovely baby boy and his name is absolutely darling. Conrad posted the family drawing to the site with a fairly lengthy (for a new mum) post letting her readers and fans know that she would be taking time off for the moment and to thank them for their well wishes. "For me, I would argue it took me at least a year to start feeling like normal again".
Conrad revealed earlier this summer she and Tell focused on ensuring Liam's adjustment to having a sibling would be smooth. Fancy he turned into an completely diverse shrimp one, and I turned into devour, 'Oh my God.' I judge that you just should possibly also change into a shrimp overwhelmed, appropriate being at dwelling with your shrimp one all day. In the painting, her 2-year-old son, Liam, holds up a sign that reads, "It's a boy!" "I think it's best not to be outnumbered", she shared with People magazine shortly after Liam was born. "It virtually makes it more tough to leave them".