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#7: It girl Lady Mary Charteris (shown, left)
At a glance: London blueblood
Points for: Earning the job title MSBDJ: model, stylist, blogger and DJ; her relationship with Big Pink's Robbie Furze, London's current cool-kid musician.
Related species: Daphne Guinness (aunt and fashion icon); the late Isabella Blow (family friend and stylist, patron, muse)
Spotted: DJing at industry parties at industry-only parties in Mayfair.
#6: It girl Olympia Le-Tan
At a glance: Parisian bohemian
Points for: Designing the You Can't Judge a Book by Its Cover series of chic clutches (like The Misfits by Arthur Miller, which Michelle Williams recently wore on the red carpet), plus a seven-piece clothing collection debuting this fall.
Related species: Pierre Le-Tan (father and illustrator of covers for Vogue, The New Yorker and books by Raymond Carver).
Spotted: At Le Montana, the uber hip Paris nightclub co-owned by Purple magazine maestro—and It girl magnet—Olivier Zahm.
#5: It girl Annabelle Dexter-Jones
At a glance: New York hipster
Points for: Designing a fall capsule collection for Parisian brand Faith Connexion.
Related species: Samantha Ronson (sister and DJ); Charlotte Ronson (sister and fashion designer); Mark Ronson (brother and musician); Alexander Dexter-Jones (brother and DJ); Ann Dexter Jones (mother and jewellery designer); Mick Jones (father and singer of Foreigner).
Spotted: At Le Baron's New York outpost in Chinatown with the owner, her graffiti-artist boyfriend, André Saraiva.
Who will make it to #1 on our It girl list? Read on for our picks...
At a glance: British socialite
Points for: Starring in the Burberry beauty campaign 2012, with fellow models Jourdan Dunn and Edie Campbell; scoring editorials for Vogue and Harper's Bazaar; landing A-list runway appearances at Chanel, Stella McCartney and Dolce & Gabbana.
Related species: Poppy Delevigne (sister and also a model and girl-about-town).
Spotted: Making the rounds with her sister at London's top clubs.
#3: It girl Gia Coppola
At a glance: Hollywood offspring
Points for: Directing short films for Wren, Opening Ceremony and DVF's collab with Current/Elliott; working with established and emerging stars such as Kirsten Dunst and Aubrey Plaza.
Related species: Sofia Coppola (aunt and filmmaker); Francis Ford Coppola (grandfather and filmmaker).
Spotted: At the Coppola vineyard in Napa Valley.
#2: It girl Chloe Sevigny
At a glance: Original New York cool kid
Points for: Landing the Fall 2012 Miu Miu campaign, photographed by Mert Alas and Marcus Piggot; starring in Hit and Miss, a British miniseries as a pre-op transgender assassasin, and with Amanda Seyfried and James Franco in this year's upcoming Lovelace, a biopic about Linda Lovelace.
Related species: Paul Sevigny (brother, DJ, restaurateur, including owner of New York's Beatrice Inn, until it closed in 2010 ).
Spotted: Filming in L.A. and Manchester, being fabulous around New York.
Style report: The top six summer fashion trends
#1: It girl Charlotte Casiraghi
At a glance: Monaco royalty
Points for: Scoring the coveted Gucci "Forever Now" campaign; publishing the free sustainable fashion tome Ever Manifesto, distributed at Colette in Paris and 10 Corso Como in Milan.
Related species: Princess Grace Kelly (grandmother, actress, Hollywood legend); Princess Caroline (mother); Princess Stephanie (aunt).
Spotted: Jumping horses in Dubai. Naturally.
Verdict: Charlotte Casiraghi wins the It girl crown this season, due to her natural beauty, poise and unrivalled ancestry. Long live the queen! Until next season...
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