Leigh, Adriana and Emmy are best friends, all leading different lives and about to make some extreme choices. The three girls meet for dinner one evening and make a pact - they each have to change one thing in their lives by the end of the year.

From the best-selling author of The Devil Wears Prada and When Life Gives You Lululemons comes a highly entertaining, sharply observed novel about sisters, their perfect lives...and their perfect lies.

Andrea Sachs, a small-town girl fresh out of college, is hired as the assistant to Miranda Priestly, the successful editor of Runway magazine. Andrea finds herself in an office that shouts Prada! Armani! Versace! at every turn. As things escalate from the merely unacceptable to the downright outrageous, Andrea begins to realize that the job a million girls would die for may just kill her. And even if she survives, she has to decide whether the job is worth the price of her soul.

Charlotte "Charlie" Silver has always been a good girl. She excelled at tennis early, coached by her father, a former player himself, and soon became one of the top juniors in the world. When she leaves UCLA - and breaks her boyfriend's heart - to turn pro, Charlie joins the world's best athletes, who travel 11 months a year, competing without mercy for Grand Slam titles and Page Six headlines.

Ella Warren loves her job working for celebrity news magazine The Life as an undercover reporter. Her evenings are spent using her alias to discreetly attend red carpet events, nightclubs, and Hollywood hotspots like the fabulous Chateau Marmont, where her eyes are always peeled for the next big celebrity story. When Ella's new Devil Wears Prada-type boss starts a not-so-friendly competition among the reporters to find an exclusive story or be fired, the stakes are higher than ever.

Landon Brinkley’s dreams are all coming true. She’s landed an internship with a fabulous event planner for the Hollywood elite, taking her from small-town Texas to the bright lights of LA. Landon finds herself in a world in which spending a million dollars on an event—even a child’s birthday party—is de rigueur, and the whims of celebrity clients are life-and-death matters.

Fresh off a bad breakup with a longtime boyfriend, Nantucket sweetheart Lizbet Keaton is desperately seeking a second act. When she’s named the new general manager of the Hotel Nantucket, a once Gilded Age gem turned abandoned eyesore, she hopes that her local expertise and charismatic staff can win the favor of their new London billionaire owner, Xavier Darling, as well as that of Shelly Carpenter, the wildly popular Instagram tastemaker who can help put them back on the map.

Julia Summers seems to have it all: a sprawling Upper East Side apartment, a successful husband, and two adorable children attending the best private school in the city. She relishes wielding influence over her well-heeled girlfriends...but her star appears to be fading. That’s why, when stranded in Manhattan for the summer as her entire crowd flees to the Hamptons, Julia is on the hunt for the next big thing that will make her the envy of her friends and put her back on top.

Ava Wong has always played it safe. As a strait-laced, rule-abiding Chinese American lawyer with a successful surgeon as a husband, a young son, and a beautiful home—she’s built the perfect life. But beneath this façade, Ava’s world is crumbling: her marriage is falling apart, her expensive law degree hasn’t been used in years, and her toddler’s tantrums are pushing her to the breaking point. Enter Winnie Fang, Ava’s enigmatic college roommate from Mainland China, who abruptly dropped out under mysterious circumstances.

Daisy Shoemaker can’t sleep. With a thriving cooking business, full schedule of volunteer work, and a beautiful home in the Philadelphia suburbs, she should be content. But her teenage daughter can be a handful, her husband can be distant, her work can feel trivial, and she has lots of acquaintances, but no real friends. Still, Daisy knows she’s got it good. So why is she up all night?

For as long as she can remember, Bronx-born Naomi Powell has had one goal: to prove her worth among the Upper East Side elite - the same people for which her mom worked as a housekeeper. Now, as the strong-minded, sassy CEO of one of the biggest jewelry empires in the country, Naomi finally has exactly what she wants - but it’s going to take more than just the right address to make Manhattan’s upper class stop treating her like an outsider.

Hollis Shaw, creator of the popular food blog, Hungry with Hollis, is shocked when her heart surgeon husband, Matthew, is killed in a one-car accident on a snowy morning. The cracks in Hollis’s perfect life—her strained marriage and her complicated relationship with her daughter, Caroline—grow deeper. So when Hollis hears about something called a “Five-Star Weekend”—one woman organizes a trip for her best friend from each phase of her life: her teenage years, her twenties, her thirties, and midlife—she decides to host her own Five-Star Weekend on Nantucket.

When her twenty-two-year-old stepdaughter announces her engagement to her pandemic boyfriend, Sarah Danhauser is shocked. But headstrong Ruby has already set a date (just three months away!) and spoken to her beloved safta, Sarah’s mother Veronica, about having the wedding at the family’s beach house in Cape Cod. Sarah might be worried, but Veronica is thrilled to be bringing the family together one last time before putting the big house on the market. But the road to a wedding day usually comes with a few bumps

The Kingsley family is American royalty, beloved for their military heroics, political service, and unmatched elegance. In 1967, after Joseph S. Kingsley, Jr. is killed in a tragic accident, his charismatic son inherits the weight of that legacy. But Joe III is a free spirit—and a little bit reckless. Despite his best intentions, he has trouble meeting the expectations of a nation, as well as those of his exacting mother, Dottie.

Cannie Shapiro never wanted to be famous. The smart, sharp, plus-sized pop culture reporter was perfectly content writitng about other people's lives in the pages of the Philadlphia Examiner. But the day she opened up a national women's magazine to find out that her ex-boyfriend has been chronicling their ex-sex life is the day her life changes forever.