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PICS: Kate's last solo engagement before she gives birth

Last updated on: June 14, 2013 18:13 IST

President and CEO of Princess Cruises Alan Buckelew (R) escorts Catherine, Duchess of Cambridge during the Princess Cruises ship naming ceremony at Ocean Terminal on June 13, 2013 in Southampton, England

Here are a few images of the pregnant royal's last official commitment before the arrival of her first child next month.

The Duchess of Cambridge officially christened a new 3,600-passenger cruise ship yesterday, her last solo public engagement before she is due to give birth next month.

Kate, wearing a black and white dalmation-print coat and a black hat, attended a gala ceremony in Southampton and briefly toured the ship named the 'Royal Princess'.

PICS: Kate's last solo engagement before she gives birth

Last updated on: June 14, 2013 18:13 IST

Crew look on as Captain Tony Draper (2nd-L) gives Catherine, Duchess of Cambridge a tour on board the Princess Cruises ship during its naming ceremony at Ocean Terminal on June 13, 2013 in Southampton, England

It is a long-standing royal tradition, with Diana, Princess of Wales naming the ship's predecessor in 1984.

The 31-year-old duchess' final official engagement before giving birth is expected to be on Saturday when she attends the Trooping the Colour.

PICS: Kate's last solo engagement before she gives birth

Last updated on: June 14, 2013 18:13 IST

President and CEO of Princess Cruises Alan Buckelew escorts Catherine, Duchess of Cambridge as she looks at an image of herself during a tour of the Princess Cruises ship after its naming ceremony at Ocean Terminal on June 13, 2013 in Southampton, England

After officially naming the cruise ship, she told the guests: "May God bless her and all who sail in her", before she cut a ribbon and smashed a large bottle of champagne over the liner's hull.

Other women to have named Princess Cruises' vessels in the past include Lady Thatcher, Audrey Hepburn and Sophia Loren, the BBC reported.

PICS: Kate's last solo engagement before she gives birth

Last updated on: June 14, 2013 18:13 IST

Captain Tony Draper gives Catherine, Duchess of Cambridge a tour on board the Princess Cruises ship during its naming ceremony at Ocean Terminal on June 13, 2013 in Southampton, England

The duchess, wife of Prince William, accepted an invitation to name the 1,000-ft ship and become its "godmother" in line with the company's tradition.

Italian firm Fincantieri built the ship for Princess Cruises, which is part of Miami-based Carnival Corporation -- the biggest cruise company in the world.

PICS: Kate's last solo engagement before she gives birth

Last updated on: June 14, 2013 18:13 IST

Captain Tony Draper (L) watches as Catherine, Duchess of Cambridge cuts the ribbon during the Princess Cruises ship naming ceremony at Ocean Terminal on June 13, 2013 in Southampton, England

The Royal Princess, which is set to depart Southampton for Barcelona on Sunday, will go on Mediterranean cruises this summer, followed by eastern Caribbean cruises beginning in the autumn.

President and chief executive of Princess Cruises Alan Buckelew said: "We are delighted that the duchess will launch our new ship and can think of no better way to celebrate our company's British heritage and our commitment to the country."