"Platinum Blonde" starring Robert Williams, Jean Harlow, and Loretta Young.  Robert Williams plays a savvy newspaper reporter who falls for a rich socialite. Things get tense when it isn't clear who wears the pants.
Director: Frank Capra
Costumes: Edward Stevenson
Studio: Columbia Pictures
Year: 1931

Helpful Links:
Silver Screen Modes by Christian Esquevin-
A blog about classic movie costume design & fashion.  *His Great-Great Aunt was Marie Ree, Head Cutter-Fitter at RKO (worked with Walter Plunkett)  This 2016 post is on RKO Studio Wardrobe’s Golden Age, and discusses Edward Stevenson:
http://silverscreenmodes.com/rko-studio-wardrobes-golden-age/

GlamAmor: History of Fashion in Film (Great post from 2014 on Jean Louis, Head Designer at Columbia & Loretta Young)
http://www.glamamor.com/2014/10/JeanLouis-Biography.html

Lady Eve’s Reel Life – Great post from 2011 on the film called “Platinum Blonde & Beyond”
http://www.ladyevesreellife.com/2011/02/platinum-blonde-and-beyond.html