Asking for Trouble by Liz Young
LIZ YOUNG'S IRRESISTIBLE FIRST NOVEL ABOUT A LITTLE WHITE LIE...
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Sophy's single and happy about it. She does, however, have an imaginary boyfriend, Dominic, a little white lie designed to keep Sophy's mother off her back. Which is fine, until his presence is demanded at a family wedding.

So does Sophy admit Dominic is a fantasy? Oh no. Sophy hires an escort. But when the distinctly delicious Josh Carmichael arrives on her doorstep, Sophy can tell things are going to get tricky. And the wedding is only the beginning...