©BAUER-GRIFFIN.COMFergie (aka Stacy Ann Ferguson) nearly flashes her derriere to photographers today as she heads into a medical building in Beverly Hills. Afterwards, the singer's assistant picks her up in a silver Porsche. NON-EXCLUSIVE April 14, 2009Job: 90414U3 Beverly Hills, Californiawww.bauergriffin.comwww.bauergriffinonline.com