Update: Joel shares more detail on his clothing site, DCMA collective:

Update January 12th: Joel tells People this morning,

CBB exclusive update 12:30 pm: We’ve heard from our source, a good friend of Joel’s, who tells us,

Originally posted January 11th at 8:28 pm: Rocker Joel Madden, 28, and reality star Nicole Richie, 26, are first-time parents after welcoming daughter Harlow Winter Kate Madden. She weighed in at 6 lbs, 7 oz, is 19 inches long and was born at 3:13 pm this afternoon at Cedars-Sinai Medical Center in Los Angeles. Says a rep for the couple,

The couple had kept the sex of the baby a delivery surprise (although if Nicole had her way, that wouldn’t have been the case!). News of the pregnancy was announced in June, with the couple throwing a baby shower to launch their children’s foundation in early December.

Source: People

Thanks to everyone who emailed tips.