Celebs are gearing up for the Platinum Jubilee, which kicked off this morning with Trooping the Colour.
The celebration marks the Queen's 70 years on the throne and the showbiz world is getting excited.
Ahead of the extravaganza, which includes in a star-studded concert, some famous faces are already flying their flags.
Sheridan Smith
In a video shared by the BBC, actress Sheridan Smith congratulated the monarch on her reign.
The actress was awarded an OBE in 2015 by Prince Harry and sent the Queen her best wishes.
She said: “Your Majesty, one of the last memories I have of my dear father was of him escorting me to Buckingham Palace to receive my OBE.
“It was a very special day for him too and one that he cherished dearly as you have touched the hearts of generation upon generation.
"“I just wanted to take this opportunity to say a huge thank you and to send you my best wishes on your Platinum Jubilee.”
David Beckham
The former England international hailed the Queen as "remarkable" as he gets sets to celebrate her milestone.
Taking to Instagram the father-of-four wrote: "“Today, we celebrate our Queen’s Platinum Jubilee. 70 years of service and inspirational leadership of our country.
"Let’s come together and commemorate her remarkable reign with a great British party these next few days.”
David's wife Victoria is yet to comment on the festivities, but her Spice Girl pal Geri has.
Geri Haliwell
The artist formerly known as Ginger Spice shared two sweet tributes on her Instagram page.
Among the pics was one of Spice Girls when they met the monarch at the Royal Variety Performance in 1997.
A fresh-faced Geri looks starstruck shaking the Queen's hand as the band enjoyed chart-topping fame.
Katherine Jenkins
Welsh singer Katherine looked delightful in her God Save The Queen t.shirt which she proudly sported in an Instagram pic.
Telling fans she was off to Good Morning Britain, to talk about the star-studded concert, she posted: Happy Platy Jubes! On my way to @gmb to talk about this weekend and my concert at Sandringham tomorrow night."
The star added her patriotic t.shirt was for @fundjumpers charity in which 100 school meals to children living in poverty are donated with every jumper sold.
Penny Lancaster
Penny's husband Rod Stewart is performing at the Jubilee concert tomorrow night.
The mum-of-two shared a pic of the crooner in front of Buckingham Palace as he gets ready for the star-studded gig.
Captioning the sweet pic, she wrote: "“Excitement and nervous for Saturday night #partyatthepalace”.
Sir Rod, who was given a knighthood in the 2016 Honours list, said previously of performing at the concert: “Queen Elizabeth has given incredible service to the United Kingdom over the last 70 years and I’m delighted to be able to join her in celebrating her Platinum Jubilee with the Party at the Palace.
“She has demonstrated to the world what a special person she is and how lucky we are to have her. This will be a momentous occasion.”
The BBC ’s Platinum Party at the Palace kicks off on Saturday at 8pm