She was attending the Global Green party complete with AstroTurf in the place of a red carpet. So Emmy Rossum decided to stick with the flora theme and slipped into a sweet yellow dress that ensured she stole the limelight.
The lemon coloured gown boasted a full skirt, sweetheart cut and sheer neckline with floral embellishment on the shoulders.
The Shameless star, 25, teamed the flirty frock with gold strappy sandals and swept her brunette tresses into an elegant updo to complete her sunny look.
more pictures after the break...