Trying to Think of Title of a Romance book

[Toi]

Read this book about 10 years ago: So it's older book I think a harlequin romance (not sure): Any help will be greatly appreciated.

Twins Sisters, one a actress on educated not in the lime light, they switch places to trick the brother Marco, rich tycoon that kidnapped the wrong sister acting as her famous sister. Who is secretly running off to marry Marco brother. He has her in his home and in up taking her virginity and there is another brother involved who help her try to escape from Marco.