Pixie Lott looks like a catwalk queen as she celebrates 21st birthday with boyfriend Oliver Cheshire (oh, and JLS, Ed Sheeran and TOWIE stars)

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By Nadia Mendoza

Birthday girl: Pixie Lott celebrated her 21st birthday with boyfriend Oliver Cheshire at Movida with a host of showbiz comrades

Pixie Lott is certainly growing old gracefully.

The pop singer looked elegant in a white and gilt gown last night as she arrive to celebrate her landmark 21st birthday with boyfriend Oliver Cheshire at London nightspot Movida.

The pair were joined by showbiz glitterati including Dionne Bromfield, JLS, TOWIE's James 'Arg' Argent and Joey Essex, their former co-star Mark Wright and man of the moment Ed Sheeran.

Many of whom hotfooted over from the Brit nominations earlier that evening.

The Mama Do beauty looked effortlessly radiant in a floor-length gown, that tickled at her feet as Oliver offered a gentlemanly hand so she did not trip.

The dress was decorated with bold gold detail, creating curves at the hips and on the bust; while her blue clutch bag polished off the eye-catching outfit with a splash of colour.

Pixie's tresses were tied in a messy updo with a plait to keep the bed hair look strategically in place.

The perfect gentleman: Oliver helped Pixie walk along as her dress draped under her feet

Her carriage awaits: Pixie looked like the perfect pop princess in the back of the car, smiling gracefully

The popstar shares her birthday with a fellow chart-toppers Mel C and Zayn Malik of One Direction.

She was busy tweeting them yesterday in celebration of their big day, saying: 'Happy Birthday @zaynmalik haha it's a goood day to be born! Have fun wowowp xox

'@MelanieCmusic Happy Birthday to you too! I grew up saying 'I've got the same birthday as Mel C!' hahah have a gooood one xo'

All that glitters: Dionna Bromfield looked typically older than her 15 years

Despite being just 15, Mama Said star Dionne still put on her party dress to party with the over-18s.

She looked typically older than her years, dressed to kill in a sparkly blue cocktail frock.

The JLS boys donned their Sunday Best for the celebrations; with Jonathon 'JB' Gill sporting a bow tie and keeping a firm grip of girlfriend Chloe Tangney's hand.

Show of unity: JLS star JB Gill kept a firm grip of his girlfriend Chloe Tangney

The Club Is Alive... with JLS: Aston Merrygold, Marvin Humes and Oritse Williams also attended

Bandmates Marvin Humes, Aston Merrygold and Oritse Williams followed his lead with suit jackets, but drew the line at shirts and chose a more casual approach ready for the dancefloor.

Lego House singer Sheeran was revelling in his BRIT nominations glory; for which he has been recognised in four separate categories.

The singer/songwriter, 20, has beaten Jessie J (who has three nods) and is up for Best Male, Best Breakthrough, Best Single for The A Team, and Best Album for debut record, entitled +.

Suited and booted: James 'Arg' Argent and Joey Essex flew the glag for TOWIE, opting for shirts but no ties

TOWIE stars Joey Essex and James 'Arg' Argent obviously had a night off from watching Kirk Norcross and his shenanigans in the Celebrity Big Brother house.

The suited and booted pair were also reunited with former co-star and I'm A Celebrity... Get Me Out Of Here! runner-up Mark Wright.

Arg, 22, had no qualms revealing his beauty routine for the big night, telling his Twitter followers: 'Looking forward for @pixiesongs birthday party later! Sunbed then Its all about tonight! Haha'

Here come the boys: Mark Wright and man of the moment Ed Sheeran partied with Pixie