photo courtesy of laurenconrad.com In the cutest Instagram post, former "The Hills" star Lauren Conrad has announced the arrival of her first child, a baby boy. The reality star now fashion mogul and husband William Tell welcomed son Liam James Tell and Conrad made sure that the world knew via social media. She used stitching to do it; a family of 5 was done in needlepoint with a mommy, a daddy, two pets, and a baby with the caption "And then there were 5" with the string and needle going through the needlepoint. She used the rest to announce her son's name and how excited they were. Next up in "The Hills " baby game is Heidi Montag and husband Spencer Pratt as well as Whitney Port, both of whom are expecting, as well. It started to make fans believe that the former MTV co-stars had made some sort of pregnancy pact, all getting pregnant around the same time. Already mamas, Audrina Patridge has a daughter with hubby Corey Bohan and Krist