Some of our favorite ladies kicked off the week with a fashionable bang at events around the city yesterday. Dianna Agron and Emma Roberts both went for appropriately feminine and flirty looks at Glamour Magazine's "These Girls" presentation at Joe's Pub. Meanwhile, Brit Marling donned a more daring Prabal dress for "The East" NYC premiere. Click through to see all of the head-turning looks from Monday night.