A flash pair! Sofia Richie shows off her taut tummy and bra as she larks around with sidekick Nicola Peltz

• e-mail

Every girl needs a sidekick.

And Sofia Richie larked around in a series of revealing Snapchat clips with her crony Nicola Peltz in Los Angeles on Sunday.

The wannabe professional clotheshorse, most famous for a brief dalliance with Justin Bieber, took the opportunity to show off her knockout body. 

Hard to stomach: Sofia Richie showed off her taut tummy as she larked around in with sidekick Nicola Peltz in Los Angeles on Sunday

The 18-year-old daughter of soul legend Lionel Richie wore her dungarees unbuttoned so as to reveal her black bra and washboard stomach as she larked around with her pal.

Her 21-year-old Last Airbender actress sidekick meanwhile showcased her own enviable asets in a plunging white dress that left almost nothing to the imagination. 

Sofia has just revealed she found it difficult to emerge from the shadow of her sister Nicole, the star of such classic television as The Simple Life, where she worked dead end jobs while travelling around aimlessly with her more famous friend Paris Hilton.

But Sofia managed to do just that when she had a fling with Sorry singer Justin Bieber.

The wannabe clotheshorse and the pop pixie's relationship was short-lived, lasting just a few weeks. 

Lovely pair: Nicola also showed off her feminine charms as she posed up with Sofia

 They're not ruff: The cheeky rapscallions used a dog-themed filter at one point

Selfie obsessed: It is easy to see why the narcissistic ladies get on so well

However their thrilling intercontinental romance did see them hook up in Japan, Mexico and the United States.

Their romance got off to a fast start in August as they frolicked in Laguna Beach, and by mid-month they were holding hands in Tokyo.

He then joined her at the The Doheny Room in Hollywood for her 18th birthday in late August, while they packed on the PDA on a yacht in Mexico on August 29th, their last known rendezvous.

But Sofia continues to move up in the world, and was spotted being taken out on the town by Paris Hilton to Catch LA in October, the West Hollywood rooftop outpost of a fashionable New York City establishment.

Belt up: Smart Sofia opted for safety first when she clambered behind the wheel

Hard act to follow: She said she found it difficult to emerge from reality personality sister Nicole's shadow

Making a name for herself: But she did just that by having a brief fling with Justin Bieber