The Boyfriend Hoax by Emily Robertson

Ryan Harris is no one’s savior. At least not until he sees a beautiful woman on the Strip looking uncomfortable. When she needs to get away from her annoying companion, he steps in to help her out and gets put on the line for more than he bargained.
Their fake relationship wasn’t meant to be complicated. One date to a wedding somehow turned into two and one kiss later all the lines are blurred. Playing the part of Ryann Ashcroft’s boyfriend was easy. Remembering all her sweet touches were fake got harder with each moment that passed. When all is said and done, they must decide if a real relationship is worth the effort or say goodbye forever.