Kate Middleton.Photo: Karwai Tang/WireImage

Catherine, Duchess of Cambridge visits the Copenhagen Infant Mental Health Project

The royal spotlight is onKate Middletonmore than ever before — and she is stepping up to her role as future Queen.

WithQueen Elizabeth’srecent health setbacksas well asPrince HarryandMeghan Markleno longer serving as senior working royals, Kate has devoted herself even more to royal duties.

“The events of the last year have meant that Kate did need to raise the bar, and she has,” royal biographer Sarah Gristwood tells PEOPLE in this week’s issue.

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“The changing times have required Kate to start to share a bit more,” says Gristwood. “She’s done it carefully enough to be relatable — nothing that would cause controversy and nothing that could be considered oversharing.”

Kate Middleton.IDA MARIE ODGAARD/Ritzau Scanpix/AFP via Getty Images

Catherine, Duchess of Cambridge

Kate — who is mom toPrince George,Princess Charlotte, 6, andPrince Louis, 3 — even confessed that shefeels “broody"while meeting with parents and their babies during a visit to the University of Copenhagen.

“William always worries about me meeting under one-year-olds,” she candidly admitted. “I come home saying, ‘Let’s have another one.’ "

Peter Fonagy, CEO of the Anna Freud National Centre for Children and Families — of which Kate is a patron — adds that Kate “has really used her own experience [as a parent] as she talks to people, and that gets her a lot of credibility.”

Kate Middleton, Prince William, family

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Last week, it was announced that Kate andPrince Williamwillhead to the Caribbeannext month for an official tour on behalf of the Queen on the occasion of her Platinum Jubilee. Kate andPrince Williamwill visit three countries where the monarch serves as head of state — Belize, Jamaica and The Bahamas — starting on March 19.

A royal insider says that Kate “comes across exactly as she is: a grounded, smart human being. Watch her in action. She is damn good at it.”

source: people.com