Clothes not changing when GUI button is clicked?

function onButtonClicked()
	script.Parent.Parent.Parent.Parent.Parent.Character:FindFirstChild("Shirt").ShirtTemplate = "http://www.roblox.com/asset/?id=99574860"
	script.Parent.Parent.Parent.Parent.Parent.Character:FindFirstChild("Pants").PantsTemplate = "http://www.roblox.com/asset/?id=99575251" --change to the SHIRT you want to wear's id
end
script.Parent.MouseButton1Click:connect(onButtonClicked)