The Drunk in Love singer gave fans an insight into how she prepared for the show, posting pictures of herself on her private jet, having her hair and make-up done and sharing a touching moment with her husband Jay Z on Tumblr.
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One image shows the couple, who have been married for nearly six years, dancing together before the 32-year-old took to the stage in a stunning sequin dress by Vrettos Vrettakos.
Another picture shows the mum-of-one boarding her private jet. For the journey Beyoncé swapped her skyscraper heels for black high top trainers and protected herself for the cold with a large bomber jacket, emblazoned with the number 73.
Once in London the singer had her make-up touched up and adorned herself with a reported $2m worth of Lorraine Schwartz diamond jewellery before waiting backstage with her excited backing vocalists.
Beyoncé stole the show at Wednesday night's BRIT Awards when she took to the stage to perform her new song XO.
Always one to deliver an empowering performance, Beyoncé left the audience mesmerised as she sang XO for the first time during a televised performance.
The Houston-born star stood alone on stage in front of three white screens that accentuated her womanly curves. She belted out the lyrics in true Beyoncé style, seeming completely lost in her own dazzling performance.
"Thank you," she graciously said at the end of her song, beaming out at the cheering audience.
Host for the evening James Corden confirmed that Beyoncé would be making an appearance at the BRITS ceremony on the day of the event. Other musicians to take to the O2 arena stage included New Zealand-born Lorde, who scooped the International Female Solo Artist award, and Katy Perry, who sung her hit track Dark Horse.