Gathering,

Oscar De La Renta

Oscar De La Renta uses gathering in his Spring/Summer 2012 womens collection, he creates beautifully crafted garments with volume,

Alexander McQueen

Sarah Burton also uses gathering but it isn't the main feature of the three garments below,

Pleating, Wrinkled Pleat,

Lanvin 

Spring/Summer 2011 womens collection by Lanvin has Wrinkled Pleat used,

Pleating, Accordion Pleats,

Tracy Reese 

Tracey Reese uses Accordion pleats in her  2011 Autumn/Winter womens collection,

Pleating, Projecting pleat,

Richard Nicoll 

Projecting pleats appear in Richard Nicolls 2011 Spring/Summer womens collection,

Pleating, Partial Pleat,

Vera Wang

Vera Wang uses Partial P;eats among many other types of pleats in her Autumn/Winter 2011 womens collection,

Pleating, Inverted Pleat

Helmut Lang 

Inverted Pleat features in Helmut Langs Autumn/winter 2012 womens collection,

Elie Saab

Inverted Pleats also feature in Elie Saabs Autumn/Winter 2011 womens collection,

Pleating, Box Pleat,

Just Cavalli

Just Cavalli uses the 'Box Pleat' mainly on skirts in the Spring/Summer 2011 Womens Collection,

Pleating, Knife Pleat.

Hermès

In Hermes Spring/Summer 2010 womens collection, the 'box pleat', features in alot of the garments, three examples below,

Here's my own example of the 'box pleat',