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Credit: Anthony Harvey/Getty Images Jessica Chastain Attending the Academy Awards 2015 in support of Interstellar , Chastain partied the night away at Vanity Fair 's party wearing metallic Jimmy Choo sandals

What are the recommended shades of blue and brown for formal events

White button-down shirts are the most formal and therefore the safest

High-low midi dresses in jewel tonesespecially ones that plunge at the neck and cinch at the waistare flattering from all angles and make for easy dressing in all temperatures

Have your wedding party make a statement in these hot pink dresses because when youre channeling Barbie, you have to think pink