It's a cautionary tale, really…
Girl wears "killer outfit" on a red carpet sans bra, and becomes immediately exposed with one click of a camera's flash!
Jennifer Aniston knows this story all too well, because her ta-tas were put on full blast at the Cake premiere during the 2014 Toronto International Film Festival on Monday.
Once some harsh light hit her adorable Valentino tank, the former Friends actress' ensemble went from demure to nearly naughty!
Besides the minor boobie mishap, Jen looks FAB!
[Image via Getty Images.]