Former Westlife star Brian arrived arm-in-arm with Vogue at the Sony Music after party held at the swanky Arts Club.
DJ and model Vogue looked stunning in a black satin dress with a deep cut neckline, while Brian arrived a little more casual in jeans, black trainers and a leather jacket.
The couple, who were runner-ups on last year's ITV dance show Stepping Out, rubbed shoulders with the likes of Rita Ora, One Direction, Pharrell Williams and Nicole Scherzinger at the bash.
Inside the venue, 33-year-old Brian also struck up a new bromance with Celebrity Juice host Keith Lemon. However, Brian's party antics with Keith left him a little confused when he looked back through his photos this morning!
'Real to Me' singer Brian wrote: "Just woke up and looking back at last night. What the? @lemontwittor."
In the photo, Brian and Keith are captured licking each other as they grab hold of one another in a tight embrace! Captioning the photo, Brian said: "Me and @lemontwittor eating the face out of each other."
Sounds like it was an eventful night then!
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Brit Awards 2014 - red carpet looks:
Copyright: WENN Lia Toby