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19 February 2014, 16:56
The likes of Pixie Lott, Rudimental and Calvin Harris are also getting ready for the big show.
Harry Styles, Bruno Mars and Rudimental have all tweeted their excitment for the BRIT Awards 2014, with just hours to go before the awards show kicks off.
The BRITs 2014 begins tonight (19th February) at London's O2 Arena, and stars including Lawson, Calvin Harris and One Direction have all been sharing pictures of their outfits and excitement for one of the year's biggest music events.
Rudimental, who are up for several BRITs tonight as well as performing live during the show, shared a hilarious video of their predicted reactions to winning an award.
Plus One Direction stars Niall Horan, Harry Styles and Louis Tomlinson are all excited about being back with each other ready to walk down the red carpet.
First time we have all been together for a while now! lookin forward t seeing the lads ! #BRITs2014— Niall Horan (@NiallOfficial) February 19, 2014
Gown is on.— Harry Styles (@Harry_Styles) February 19, 2014
Excited for tonight !!— Louis Tomlinson (@Louis_Tomlinson) February 19, 2014
Calvin Harris made sure everyone knows who he's rooting for to win at the show later today, while Bruno Mars is gearing up for his own performance on that O2 stage.
Rooting for John Newman & Ellie Goulding tonight at BRIT awards !!— Calvin Harris (@CalvinHarris) February 19, 2014
Keep it Capital all night for full coverage of the BRIT Awards 2014, including pictures, videos and exclusive content from backstage at the show.