The Spaniard's Pregnant Bride (Heirs Before Vows, Book 1) by Maisey Yates
"You will be mine. You will be my wife."
With her identity concealed, Allegra Valenti enters Italy's most glorious masquerade ball determined to make happy memories to sustain her through her impending, cold arranged betrothal. But a passionate encounter with a masked stranger leads to far reaching consequences that tear apart her dutiful life.
Brooding Spanish Duke Cristian Acosta cannot believe the masked siren he finally let his guard down for was his best-friend's sister - the pampered heiress he grew up despising. Now, to safeguard the Acosta legacy, Cristian must adorn Allegra with a trinket of his own - a gold wedding band!