The Modern Family star STUNNED in this St John metallic gown, but it looks a little bit like other pieces she's worn...
Like this look at the Magic Mike XXL premiere in July:
And this dress at her Hollywood Walk of Fame ceremony:
Oh, and this dress at the Hot Pursuit LA premiere:
Much like this shimmering gown at the 2014 SAG Awards:
And this show-stopper at the Vanity Fair Oscar party:
Not to mention this Golden Globes after-party:
There's a serious resemblance to this Emmy 2014 look:
Or was it her 2012 Met Gala gown?
It could have been another Vanity Fair Oscars party frock:
Not to mention this 2011 SAG Awards party:
And this 2011 Critic's Choice Awards bash: