Rosie Huntington-Whiteley must not own a calendar.
The Victoria’s Secret model took home Model of the Year while showing off a killer amount of sideboob in her black leather and suede dress at the Elle Style Awards in London Tuesday night, but there is one small thing the blonde forgot about.
National Sideboob Day is in September.
Silly model!
But we guess we’ll let the bikini model’s cleavage faux pas slide this time.
Next time, someone remind her. (RELATED: It’s National Sideboob Day! Take A Peek At The Best Ones)