Jessica Biel should have thought twice before walking out the door today.
Mrs. Timberlake had quite the skin-baring moment while hailing a cab in New York City this morning, flashing her bra -- and toned abs -- in a sheer shirt. The 31-year-old was out for a stroll with her two dogs and a friend when the "incident" occurred.
But hey, when you look like (or actually are) Jessica Biel, who cares if you forget to throw on a cami?
Check out Jessica's see-through look below: