Romancing Mister Bridgerton question

Ok this is one of my favorite books but i forgot the name of it so heres a run down. A girl loses her mom and she ends up with her step father who she secretly lusts over and so does he. She loses her virginity to her cousin named zach and her step uncle edward wants her for his own and he is also sleeping with her. Then she gets a body guard and ends up sleeping with him and in the end she marrys her uncle and gets pregnant for her bodyguard. Can anyone help me