FOURTEEN-CARAT FORTUNE It's like a page ripped from her diary when Christine Briscoe finds herself dancing with Gavin Fortunado at his sister's wedding. It's like a scene from her dreams when the flirtatious attorney asks her to be his--pretend--girlfriend. But there is nothing make-believe about the sparks between the quiet office manager and the sexy Fortune scion. Considering Gavin's reputation, she might be heading for...