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.

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.

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.

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.

Poppy and Alex. Alex and Poppy. They have nothing in common. She’s a wild child; he wears khakis. She has insatiable wanderlust; he prefers to stay home with a book. And somehow, ever since a fateful car share home from college many years ago, they are the very best of friends. For most of the year they live far apart—she’s in New York City, and he’s in their small hometown—but every summer, for a decade, they have taken one glorious week of vacation together. 

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.

Malibu: August 1983. It’s the day of Nina Riva’s annual end-of-summer party, and anticipation is at a fever pitch. Everyone wants to be around the famous Rivas: Nina, the talented surfer and supermodel; brothers Jay and Hud, one a championship surfer, the other a renowned photographer; and their adored baby sister, Kit. Together the siblings are a source of fascination in Malibu and the world over—especially as the offspring of the legendary singer Mick Riva. The only person not looking forward to the party of the year is Nina herself.

Aging and reclusive Hollywood movie icon Evelyn Hugo is finally ready to tell the truth about her glamorous and scandalous life. But when she chooses unknown magazine reporter Monique Grant for the job, no one in the journalism community is more astounded than Monique herself. Why her? Why now? Monique is not exactly on top of the world. Her husband, David, has left her, and her career has stagnated.

Nina Browning is living the good life after marrying into Nashville's elite. More recently, her husband made a fortune selling his tech business, and their adored son has been accepted to Princeton. Yet sometimes the middle-class small-town girl in Nina wonders if she's strayed from the person she once was. Tom Volpe is a single dad working multiple jobs while struggling to raise his headstrong daughter, Lyla. His road has been lonely, long, and hard, but he finally starts to relax after Lyla earns a scholarship to Windsor Academy, Nashville's most prestigious private school.

Nell Stevens’ life is a mess. When her business goes bust and her fiancé with it, Nell’s happy ever after in California falls apart and she moves back to London to start over. But a lot has changed since she’s been gone. All her single friends are now married with children, sky-high rents force her to rent a room in a stranger’s house and in a world of perfect Instagram lives, she feels like a f--k up. 

Everywhere Katie Brenner looks, someone else is living the life she longs for, particularly her boss, Demeter Farlowe. Demeter is brilliant and creative, lives with her perfect family in a posh townhouse, and wears the coolest clothes. Katie's life, meanwhile, is a daily struggle - from her dismal rental to her oddball flatmates to the tense office politics she's trying to negotiate. No wonder Katie takes refuge in not-quite-true Instagram posts, especially as she's desperate to make her dad proud.

Jess needs a fresh start. She’s broke and alone, and she’s just left her job under less than ideal circumstances. Her half brother, Ben, didn’t sound thrilled when she asked if she could crash with him for a bit, but he didn’t say no, and surely everything will look better from Paris. Only when she shows up—to find a very nice apartment, could Ben really have afforded this?—he’s not there. The longer Ben stays missing, the more Jess starts to dig into her brother’s situation, and the more questions she has.

Amber Patterson is fed up. She's tired of being a nobody: a plain, invisible woman who blends into the background. She deserves more - a life of money and power like the one blond-haired, blue-eyed goddess Daphne Parrish takes for granted. To everyone in the exclusive town of Bishops Harbor, Connecticut, Daphne - a socialite and philanthropist - and her real-estate mogul husband, Jackson, are a couple straight out of a fairy tale. Amber's envy could eat her alive...if she didn't have a plan.

It’s 2 AM on a Saturday night in the spring of 2001, and 28-year-old Cecily Gardner sits alone in a dive bar in New York’s East Village, questioning her life. Feeling lonesome and homesick for the Midwest, she wonders if she’ll ever make it as a reporter in the big city - and whether she made a terrible mistake in breaking up with her longtime boyfriend, Matthew. 

On a perfect June day, Vivian Howe, author of 13 beach novels and mother of three nearly grown children, is killed in a hit-and-run car accident while jogging near her home on Nantucket. She ascends to the Beyond where she's assigned to a Person named Martha, who allows Vivi to watch what happens below for one last summer. Vivi also is granted three “nudges” to change the outcome of events on earth.