Louis Tomlinson's sister Lottie flashes her abs in a black bralet and sporty trousers as she's supported by 1D star and his girlfriend Danielle Campbell at her beauty launch
Louis Tomlinson's sister Lottie was celebrating the launch of her Nails Inc X Lips Inc collection on Tuesday night.
And the One Direction singer, 24, and his girlfriend Danielle Campbell, 21, were naturally in attendance to support the budding beauty queen at the event, held at Tape, London.
The trio looked to be having a blast as they partied up a storm at the event, hitting the town until the early hours of the morning.
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Budding beauty queen: Louis Tomlinson was supporting his sister Lottie, 18, as she celebrated the launch of her Nails Inc X Lips Inc collection on Tuesday night
Louis wrapped his arm around Lottie, 18, and had a big smile on his face as the pair posed for pictures.
Make-up artist Lottie ensured she stole the show in a black bralet and white trousers with cut out sides.
Her long platinum locks fell in loose curls, and she decorated her piercing blue peepers with lashings of mascara, while she finished off her make-up with a pale pink lipstick.
Hand-in-hand: Louis and his girlfriend Danielle Campbell looked loved-up as ever
Chic: The Originals actress was dressed to impress in a pair of sexy leather trousers
Touchy feely: Danielle kept a protective arm on the Perfect singer's arm at all times
Dressed down: Louis looked super casual in a suede jacket and coordinating lace-up boots
Grand arrival: All eyes were on Louis and Danielle as they made a fashionably late arrival
Tatted up: The pop star's extensive collection of tattoos were on full display
She showed off her pout as she flashed a peace sign at the camera, while stood beside Louis.
The One Direction star opted for a simple white T-shirt and black trousers, finishing off his look with suede shoes.
He sported some stubble and his familiar fringe, while his arm tattoos were on full display.
Brotherly love: It was Lottie Tomlinson's time to shine on Tuesday night as she celebrated the launch of her Nails Inc X Lips Inc collection at Tape, London
Proud: The 18-year-old was joined by her big brother Louis, 24, and his girlfriend Danielle Campbell, 21, at the event
Gothic-tinged: Danielle opted for an all-black ensemble, with a cropped top exposing her taut tum
Loved-up: The singer held his girl close and they were all smiles for the cameras
Classic: The One Direction star opted for a simple white T-shirt and black trousers, finishing off his look with some suede shoes
Happy! Danielle wore her brunette tresses scraped back in an updo and enhanced her cheekbones with subtle contouring
Danielle opted for an all-black ensemble, with a cropped top exposing her taut tum. She matched it with a pair of leather trousers and over-the-knee boots and accessorised with large hoop earrings.
She wore her brunette tresses scraped back in an updo and enhanced her cheekbones with subtle contouring.
The beauty sat beside One Direction groomer Lou Teasdale before being joined by Louis.
Gal pals: The beauty sat beside One Direction groomer Lou Teasdale
Her moment: Make-up artist Lottie ensured she stole the show in a black bralet and white trousers with cut out sides
Peace: Her long platinum locks fell in loose curls and she decorated her piercing blue peepers with lashings of mascara
Here come the girls: Lottie took centre stage as she was joined by a bevy of beauties
A touch of glam: Lottie finished off her make-up with a glossy pale pink lipstick
The singer held his girl close, and they were all smiles for the cameras.
Lottie accompanied One Direction on their Where We Are and On The Road Again tours.
Since then, her and Louis's mutual friend Selena Gomez has even personally invited the make-up artist onto her Revival tour to lend her creative eye after they struck up a bond in 2015.
Lottie met Selena when the US popstar was performing on the X Factor UK in 2015 on the same week as One Direction.
'We met backstage,' Lottie explained. 'She came to Lou to ask her to do her hair. She had really long hair at the time, and it was getting all knotted up. I was assisting Lou with her hair, and she asked for a makeup touch up.'
Supportive: Lottie joined her boyfriend Tommy Napolitano and his pals
Laidback: The atmosphere looked relaxed as the group chilled out
Cigarette break: Louis spent much of his time outside in the smoking area
Joking around: The Doncaster born star was in high spirits during his outing
Calling it a night: Louis and Danielle climbed into a taxi together as Lottie kept the party going
Heading home: The lovebirds sped off into the night following the event
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