Saved by Scandal

the long version

When his betrothed leaves him stranded at the altar, Lord Galen Woodbridge is more embarrassed than broken-hearted. Desperate to deflect attention from his humiliating plight, he decides to stir up a bit of a scandal -- by wedding London's most eligible and elusive songstress, the magnificently sensuous Margot Montclaire. After Galen proposes, Margot confides that her sexy demeanor is merely an act. A baron's daughter, she took to the stage to escape the clutches of a diabolical uncle -- and reluctantly left her fragile young brother behind in his care. To win Margot's hand, Galen agrees to save her sickly sibling -- but in this marriage of mutual convenience, he never planned on losing his heart... (synopsis from publisher)