Mischa Barton's Dress Gets Busted

7/29/2010 7:00 AM PDT BY Johnny Lopez
With a facial expression appearing like she saw a reflection in the mirror of what she was wearing, former actress Mischa Barton exited a London pub on Wednesday ... in some sorta apron/wrap bikini top cut-out dress thing.


Where are those high-waisted yellow banana pants when you need them?