The boyfriend arrangement Millionaires of manhattan series, book 8

Fake it until you make it... to the altar? Instead of attending yet another friend's wedding alone, Harper Drake asks Sebastian West--sexy, available and not a total stranger--to pose as her adoring boyfriend. With sparks flying, a little faux affection could be fun, and no one, especially Harper's ex, will guess the truth. Except things get very hot very fast, for real... And then a blackmailer's threats force them to reveal all their secrets!