Shopping for cocktail dresses may be one of our favorite pastimes. Paired with a sultry red lipstick (or nude!), a designer clutch and beautiful accessories (not to mention: comfortable heels), ...

but fashion lovers took more notice of her two-toned cocktail dress. The top of Pippa's dress is fitted, long-sleeved and high-necked. It's made from black sequined material and lined on the ...