hero dump heroine( mistress) and marry someone else

[Piumi]

book about tycoon hero tells the heroine(his mistress) that he's gonna marry another woman then she tells him that she's pregnant but he doesn't believe her .later he divorce first wife and come back to heroine book list

[Shelia]

Following

[Kris]

Just checking, are you looking for one specific book (these requests go in the "Unsolved" folder) - or any books with this theme?

[Piumi]

I want any suggestions which fall into this category