Duchess of Cambridge returns to public eye after pregnancy announcement

Catherine has been suffering from severe morning sickness

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The Duchess of Cambridge was seen in public for the first time since the announcement of her third pregnancy on Tuesday.

Catherine has been keeping a low-profile in recent weeks as she battles symptoms of Hyperemesis Gravidarum.

World Mental Health Day

The mother-of-two joined husband Prince William and brother-in-law Prince Harry at a mental health event at Buckingham Palace.

The Duchess looked radiant in a blue Temperley outfit as she mingled with leading figures from mental health.