My Best Friend's Honeymoon by Meryl Wilsner

My Best Friend's Honeymoon : A friends-to-lovers romance with sweetness, spice, and a holiday too hot to waste!
 
Elsie Hoffman has been engaged to her college boyfriend for a year and a half. Ginny Holtz has been in love with Elsie for almost a decade and a half. When Elsie discovers her fiancé already planned their wedding and honeymoon as a surprise and she's expected to be in a white dress in seven days, she swiftly realizes she's let herself become too comfortable with a future she never wanted.

She breaks things off, and a week later is on a plane to the Caribbean for her non-refundable honeymoon with her best friend Ginny instead. Ginny thinks it's high time Elise learned how to speak up for herself. So, they make a deal with her.

For the next week, Elsie can have whatever she wants, wherever, however, and whenever she wants it, as long as she asks. They never expected Elsie to want them. What starts as choosing activities and taking selfies soon turns to toe-curling kisses and much, much more.

But what happens when the honeymoon is over...
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'Vibrant, intoxicating romance' Ashley Herring Blake