Lauren Conrad [1] is a mom again! The 33-year-old fashion designer and Hills alum welcomed her second child, a baby boy, with husband William Tell on Tuesday. "Our sweet baby boy, Charlie Wolf Tell, has arrived!" Lauren captioned a cute drawing of her family of four. The baby boy joins their 2-year-old son, Liam James.

The couple, who tied the knot in September 2014, first announced they were expecting back in April [2] when Lauren shared a photo of her cradling her growing belly. "Very excited to share that our family will be getting a little bigger this year 👶🏼" Lauren wrote at the time. Congrats to the couple on their new addition!

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