Darcy & Rachel Series by Emily Giffin
Something Borrowed (Book 1)
Something Borrowed tells the story of Rachel, a young attorney living and working in Manhattan.Rachel has always been the consummate good girl—until her thirtieth birthday, when her best friend, Darcy, throws her a party. That night, after too many drinks, Rachel ends up in bed with Darcy's fiancé. Although she wakes up determined to put the one-night fling behind her, Rachel is horrified to discover that she has genuine feelings for the one guy she should run from. As the September wedding date nears, Rachel knows she has to make a choice. In doing so, she discovers that the lines between right and wrong can be blurry, endings aren't always neat, and sometimes you have to risk all to win true happiness.
Something Blue (Book 2)
Following the smash-hit Something Borrowed comes story of betrayal, redemption, and forgiveness Darcy Rhone has always been able to rely on a few things: Her beauty and charm. Her fiance, Dex. Her lifelong best friend, Rachel. She never needed anything else. Or so she thinks until Dex calls off their dream wedding and she uncovers the ultimate betrayal. Blaming everyone but herself, Darcy flees to London and attempts to re-create her glamorous life on a new continent. But to her dismay, she discovers that her tried-and-true tricks no longer apply—and that her luck has finally expired. It is only then that she can begin her journey toward redemption, forgiveness, and true love.