Hilary Duff knows how to serve up a beauty look. First she inspired our tween hair and makeup moments while playing our on-screen BFF, Lizzie McGuire, in the noughties. And, her Y2K spiky buns, colourful clip-in extensions, butterfly clips and glitter eyeshadow are back trending on TikTok for a new-gen rendition.But these days, her glam…