Celebrities and Their Children Pictures September 12, 2011

Famous babies had an action-packed weekend! Harper Beckham made her Fashion Week debut with mom Victoria Beckham in NYC while Billie Dean worked the LA social circuit at a birthday party with mom Rebecca Gayheart. Ali Landry and her lil Estella read a book to tots, and Deacon Phillippe stocked up on sporting goods at home in LA with stepdad Jim Toth — click through to see what they were all up to!