Kate Middleton reportedly smoked to cope with her breakup with Prince William.
The couple split in 2007; Kate picked up the habit.
She was seen with cigarettes during a night out with her sister, Pippa.
Photos revealed a pack of cigarettes in her unzipped handbag.
The outing occurred a week after the breakup was announced.
The DailyMail noted Kate was usually cautious in public due to her future royal role.
She seemingly decided to shed her good-girl image at the time.
The Prince and Princess of Wales were together for five years before the breakup.
This information gives a rare peek into Kate’s personal coping mechanisms.