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Gossip Girl star Leighton Meester carries a powder compact with her to keep her skin shine-free on the red carpet.
Coloured powders can make foundation look cakey, so always opt for a colourless powder to set makeup and help keep shine at bay - they match with all skin tones, and give a much more natural finish.
My pick? Rimmel Stay Matte Pressed Powder in Transparent (£3.99) - cheap, cheerful and contains sebum regulators in its formula to help keep skin shine-free.