Saved By the Prince by Michelle Pennington

His life was not his own, but he would risk it to save hers.
From the moment he stepped into her world, it changed forever.
Falling for Prince Alexios had doomed Serenity to heartbreak because his duty and his future belonged to his people.
This wasn’t the first time she’d been forced to gather her shattered pieces and rise again. Her name was one of the biggest in the fashion industry, and her struggles had only proven she had the courage and strength to survive.
But then Alexiosdaredask her to design a wedding dress for his future princess.
Never.Not in a million years!
Except, the nightmare from her past has returned—looking for revenge—and a royal palace in a little-known country on the other side of the ocean is the perfect place to hide.
But can she hide the fact that she still loves Alexios? Especially when it’s clear that his engagement is nothing more than a political arrangement, and that he still has feelings for her as well?
Between her past and his future, fate is determined to keep them apart.