beyonce dress black Beyoncé Custom at 'The Harder They Fall' London Premiere Outfit Inspiration: The Anything-but-Boring Way

Naturally, Bieber's choice outerwear also made an appearance

Full-Length EVA Cushioned Leather Footbed Supplies Lasting Support and Comfort with Every Step You Take

Do not choose draping necklaces

While it goes without saying that a majority polyester fabric should be instantly avoided in summer (man-made fibres are notoriously warm as they are basically plastic and don't allow heat to escape), the weight of your wool is key."The cloth for a tuxedo is traditionally a barathea weave wool, but this starts about 10oz upwards, making it a complete heat trap in the summer," says Simon Cundey, managing director at Henry Poole & Co (who, lest we not forget, cut the first modern ie, tailless tuxedo for King Edward VII)