If Kate Middleton is absent since the announcement of her pregnancy, her return has recently been announced.
The duke and duchess and Prince Harry arrived via a well-known hidden door in the Palace's white drawing room and waiting to meet them were leading figures from the mental health sector including Mind president and comic Stephen Fry.
Through their Heads Together campaign, the trio of royals has taken up the cause of mental health awareness, and today's event celebrates "the contribution of those working in the mental health sector across the United Kingdom".
She's been battling severe morning sickness.
She was last seen in public six weeks ago when she joined William and Harry viewing the memorial garden to Princess Diana, the day before the 20th anniversary of her death.
In the clip below, she shares the importance of talking about mental health issues.
According to reports, the royal couple will welcome baby number three, a sibling to Prince George (4) and Princess Charlotte (2) early next year but a due date has yet to be confirmed.
Normal morning sickness affects about 70% of pregnant women and causes some degree of vomiting and discomfort normally in the first trimester (12 weeks) of pregnancy, but those suffering from hyperemesis gravidarum can be constantly sick throughout the day.
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Congressional Republicans and President Trump have, however, called for a review of federal policy that now permits bump stocks. California's increasingly progressive political environment has left more "moderate" Democratic candidates on the defense.