Victoria Beckham took her two sons and one little Batman out to see The Spiderwick Chronicles in honor of Brooklyn's 9th Birthday yesterday in LA. How freaking adorable is Cruz in his costume that — of course — matches his mom's dress and Birkin? Love. It. Check out how to get her look here. The two older Beckham boys chose to keep things a little more casual in their hats. Posh was back to being her glamorous self, but we're not forgetting her day as everyday mom that quickly. Heh. David was overseas doing good and had to miss his eldest son's birthday, but I'm sure he'll make it up to Brooklyn with some boy time when he gets back to town.