Abstract: An assembly structured to securely maintain a louver of a vertical blind assembly in an intended, operative position comprising a support plate secured to and/or defining an upper end of the louver and a retaining clip. The support plate and remainder of the louver are connected in depending, supported relation to a connecting portion of a carrier assembly of the vertical blind assembly. The retaining clip, when in its operative position is disposed in surrounding, substantially clamping engagement with the connecting portion, thereby assuring a secure suspended support of the louver on a corresponding one of the carrier assemblies.