diff --git a/apps/studio/components/layouts/NavigationV2/AppSidebar.tsx b/apps/studio/components/layouts/NavigationV2/AppSidebar.tsx
index c3a81b36145..7024d3418c9 100644
--- a/apps/studio/components/layouts/NavigationV2/AppSidebar.tsx
+++ b/apps/studio/components/layouts/NavigationV2/AppSidebar.tsx
@@ -1,15 +1,20 @@
 import { useParams } from 'common'
 import { Plug } from 'lucide-react'
+import { useRouter } from 'next/router'
 import { parseAsBoolean, useQueryState } from 'nuqs'
 import { Button, cn, Sidebar, SidebarContent, SidebarHeader } from 'ui'
+import { ShimmeringLoader } from 'ui-patterns'
 
 import { NavGroup } from './NavGroup'
 import { useAppSidebarNavItems, type AppSidebarScope } from './useAppSidebarNavItems'
 import { ConnectSheet } from '@/components/interfaces/ConnectSheet/ConnectSheet'
 import { OrgSelector } from '@/components/layouts/Navigation/NavigationBar/OrgSelector'
 import { ProjectBranchSelector } from '@/components/layouts/Navigation/NavigationBar/ProjectBranchSelector'
+import { useOrganizationsQuery } from '@/data/organizations/organizations-query'
+import { useProjectDetailQuery } from '@/data/projects/project-detail-query'
 import { useHideSidebar } from '@/hooks/misc/useHideSidebar'
 import { useSelectedOrganizationQuery } from '@/hooks/misc/useSelectedOrganization'
+import { useSelectedProjectQuery } from '@/hooks/misc/useSelectedProject'
 import { IS_PLATFORM } from '@/lib/constants'
 
 export type { AppSidebarScope }
@@ -28,6 +33,8 @@ function AppSidebarNavBody({ scope, variant = 'desktop' }: AppSidebarNavBodyProp
   const [, setShowConnect] = useQueryState('showConnect', parseAsBoolean.withDefault(false))
   const { slug: orgRouteSlug } = useParams()
   const { data: selectedOrganization } = useSelectedOrganizationQuery()
+  const { isPending: isLoadingOrganizations } = useOrganizationsQuery()
+  const { data: project, isPending: isLoadingProject } = useSelectedProjectQuery()
 
   const {
     isProjectScope,
@@ -40,31 +47,57 @@ function AppSidebarNavBody({ scope, variant = 'desktop' }: AppSidebarNavBodyProp
     organizationItems,
   } = useAppSidebarNavItems({ scope })
 
-  const isMobileSheet = variant === 'mobile-sheet'
-  const selectorHeaderClass = cn('flex-col gap-2', isMobileSheet ? 'flex' : 'hidden md:flex')
+  const isBranch = project != null && project.parentRef !== project.ref
+  const { data: parentProject, isPending: isLoadingParentProject } = useProjectDetailQuery(
+    { ref: project?.parent_project_ref },
+    { enabled: Boolean(isProjectScope && isBranch && project?.parent_project_ref) }
+  )
+  const selectedProject = parentProject ?? project
+
+  const isOrgSelectorLoading = isLoadingOrganizations
+  const isProjectSelectorLoading =
+    isLoadingProject || (isBranch && isLoadingParentProject) || !selectedProject
 
   const shouldShowOrgSelector =
     !isProjectScope && IS_PLATFORM && (Boolean(orgRouteSlug) || Boolean(selectedOrganization))
 
+  const isHeaderLoading =
+    (shouldShowOrgSelector && isOrgSelectorLoading) || (isProjectScope && isProjectSelectorLoading)
+
+  const isMobileSheet = variant === 'mobile-sheet'
+  const selectorHeaderClass = cn('flex-col gap-2', isMobileSheet ? 'flex' : 'hidden md:flex')
+
   return (
     <>
       <SidebarHeader className={selectorHeaderClass}>
-        {shouldShowOrgSelector && <OrgSelector />}
-        {isProjectScope && (
+        {isHeaderLoading ? (
+          <ShimmeringLoader
+            className={
+              isProjectScope
+                ? 'p-2 md:mr-2 md:w-[90px]'
+                : cn('p-2 md:mr-2 w-[90px]', isMobileSheet && 'w-full max-w-none')
+            }
+          />
+        ) : (
           <>
-            <ProjectBranchSelector />
-            <div className="flex items-center px-0.5">
-              <Button
-                type="default"
-                size="small"
-                disabled={!isActiveHealthy}
-                onClick={() => setShowConnect(true)}
-                className="h-7 flex-1 justify-center gap-0 pl-2"
-                icon={<Plug className="rotate-90" strokeWidth={1.5} />}
-              >
-                Connect
-              </Button>
-            </div>
+            {shouldShowOrgSelector && <OrgSelector />}
+            {isProjectScope && (
+              <>
+                <ProjectBranchSelector />
+                <div className="flex items-center px-0.5">
+                  <Button
+                    type="default"
+                    size="small"
+                    disabled={!isActiveHealthy}
+                    onClick={() => setShowConnect(true)}
+                    className="h-7 flex-1 justify-center gap-0 pl-2"
+                    icon={<Plug className="rotate-90" strokeWidth={1.5} />}
+                  >
+                    Connect
+                  </Button>
+                </div>
+              </>
+            )}
           </>
         )}
       </SidebarHeader>
@@ -125,12 +158,17 @@ export function AppSidebarV2({ scope }: AppSidebarV2Props = {}) {
 
 /**
  * Full-height V2 navigation for `StudioMobileSheetNav`, opened via `registerOpenMenu` from
- * {@link ProjectLayoutV2}. Mirrors desktop {@link AppSidebarV2} structure.
+ * {@link ProjectLayoutV2}. Scope follows the current route like {@link DefaultLayoutV2}.
  */
 export function AppSidebarMobileSheetMenu() {
+  const router = useRouter()
+  const sheetScope: AppSidebarScope = router.pathname.startsWith('/project')
+    ? 'project'
+    : 'organization'
+
   return (
     <div className="flex h-full min-h-0 flex-col bg-sidebar text-foreground">
-      <AppSidebarNavBody scope="project" variant="mobile-sheet" />
+      <AppSidebarNavBody scope={sheetScope} variant="mobile-sheet" />
       <ConnectSheet />
     </div>
   )
diff --git a/apps/studio/components/layouts/ProjectLayout/index.tsx b/apps/studio/components/layouts/ProjectLayout/index.tsx
index 39cbcc52ad1..b3632e71cbd 100644
--- a/apps/studio/components/layouts/ProjectLayout/index.tsx
+++ b/apps/studio/components/layouts/ProjectLayout/index.tsx
@@ -25,6 +25,7 @@ import { useEditorType } from '../editors/EditorsLayout.hooks'
 import { useSetMainScrollContainer } from '../MainScrollContainerContext'
 import { useMobileSheet } from '../Navigation/NavigationBar/MobileSheetContext'
 import ProductMenuBar from '../Navigation/ProductMenuBar'
+import { AppSidebarMobileSheetMenu } from '../NavigationV2/AppSidebar'
 import BuildingState from './BuildingState'
 import ConnectingState from './ConnectingState'
 import { getSectionKeyFromPathname, MobileMenuContent } from './LayoutHeader/MobileMenuContent'
@@ -37,6 +38,7 @@ import RestartingState from './RestartingState'
 import { RestoreFailedState } from './RestoreFailedState'
 import { RestoringState } from './RestoringState'
 import { UpgradingState } from './UpgradingState'
+import { useIsNavigationV2Enabled } from '@/components/interfaces/App/FeaturePreview/FeaturePreviewContext'
 import { CreateBranchModal } from '@/components/interfaces/BranchManagement/CreateBranchModal'
 import { ProjectAPIDocs } from '@/components/interfaces/ProjectAPIDocs/ProjectAPIDocs'
 import { BannerFreeMicroUpgrade } from '@/components/ui/BannerStack/Banners/BannerFreeMicroUpgrade'
@@ -134,6 +136,7 @@ export const ProjectLayout = forwardRef<HTMLDivElement, PropsWithChildren<Projec
     )
     const { showSidebar } = useAppStateSnapshot()
     const { setContent: setMobileSheetContent, registerOpenMenu } = useMobileSheet()
+    const isNavigationV2 = useIsNavigationV2Enabled()
 
     const pathname = getPathnameWithoutQuery(router.asPath, router.pathname)
     const currentSectionKey = getSectionKeyFromPathname(pathname)
@@ -199,17 +202,28 @@ export const ProjectLayout = forwardRef<HTMLDivElement, PropsWithChildren<Projec
 
     useLayoutEffect(() => {
       const unregister = registerOpenMenu(() => {
-        setMobileSheetContent(
-          <MobileMenuContent
-            currentProductMenu={productMenu ?? null}
-            currentProduct={product}
-            currentSectionKey={currentSectionKey}
-            onCloseSheet={() => setMobileSheetContent(null)}
-          />
-        )
+        if (isNavigationV2) {
+          setMobileSheetContent(<AppSidebarMobileSheetMenu />)
+        } else {
+          setMobileSheetContent(
+            <MobileMenuContent
+              currentProductMenu={productMenu ?? null}
+              currentProduct={product}
+              currentSectionKey={currentSectionKey}
+              onCloseSheet={() => setMobileSheetContent(null)}
+            />
+          )
+        }
       })
       return unregister
-    }, [registerOpenMenu, productMenu, product, currentSectionKey, setMobileSheetContent])
+    }, [
+      registerOpenMenu,
+      productMenu,
+      product,
+      currentSectionKey,
+      setMobileSheetContent,
+      isNavigationV2,
+    ])
 
     return (
       <>