The one on the right is pissed because:
a.) She forgot her flag
b.) Her shoes got muddy and there wasn't time to clean them off before the photo
c.) She's really Jack Lemmon in drag
Check out SI.com's gallery of Olympic Fashion Through The Years, including the fly ladies of 1920, above. They're not all medal-worthy looks [Aside to Hungary '80: Look in the mirror and remove one accessory, dear] but damn, those Lithuanians knew how to party back in the 9-2.