Arcadia berths alongside Ventura, Aurora and Oriana

Ventura, Arcadia, Aurora and Oriana alongside for the Grand Event

Adonia arrives to complete all 7 P&O Cruises ships in their homeport of Southampton

All 7 ships find their berths for the Grand Event

Entertainment staff in period dress ready to board the Grand Event cruises

Darcey Bussell, Godmother to P&O Cruises Azura unveils a plaque in Carnival House celebrating 175 Years of Heritage.

Darcey Bussell celebrates with us on Grand Event day

Darcey Bussell cuts a cake celebrating 175 Years of Heritage in front of P&O Cruises staff along with Chief Executive David Dingle and Managing Director of P&O Cruises Carol Marlow

Darcey Bussell, Godmother to Azura is welcomed to P&O Cruises 175th celebrations at Southampton today by seven officers from the seven ships moored in their home port together for the first time.

Commodore Steve Burgoine with Darcey Bussell

Darcey Bussell welcomes the entire seven ship fleet to their home port of Southampton.

A view from Mayflower Park, Southampton

Azura, Oriana, Aurora, Arcadia and Ventura preparing for the Grand Event sailaway

Seven Captains from seven ships joined by the commodore of the fleet at P&Os 175th celebrations

Fabulous 175 years of heritage cake made by Eric Lanlard, master patissier for the Grand Event HRH reception

HRH The Princess Royal is greeted by local dignitaries

HRH The Princess Royal & Lord Sterling, Life President of P&O Cruises

Lord Sterling delivers a rousing speech about life on board the first P&O ships

HRH The Princess Royal receives a special P&O photo album from Lord Sterling

HRH The Princess Royal cuts a cake specially baked by celebrity pattissier Eric Lanlard

The fleet begin their celebratory sailaway

Adonia and Ventura lead the way

Aurora joins the celebrations

Oriana joins the celebrations

HRH The Princess Royal reviews the fleet

HRH The Princess Royal reviews the fleet

Fireworks launch as the fleet sail by

The fleet of P&O Cruises ships departing for their Grand Event cruises