<Ul> <Li> Alexandria Forrester </Li> <Li> Zende Dominguez (adoptive) </Li> <Li> Dino Damiano </Li> <Li> Jack Marone </Li> </Ul> <Li> Zende Dominguez (adoptive) </Li> <P> Steffy Forrester is a fictional character from the American CBS soap opera The Bold and the Beautiful . Introduced by Bradley Bell, she is currently portrayed by Jacqueline MacInnes Wood . Steffy and her twin sister Phoebe (MacKenzie Mauzy) were born onscreen as the daughters of supercouple Ridge Forrester (Ronn Moss, later Thorsten Kaye) and Taylor Hayes (Hunter Tylo) during the episode airing on September 21, 1999 . For the character's first five - year period, she appeared as a minor . In 2005, Steffy was rapidly aged to a teenager, and in 2008 she appeared as an adult when Wood took over the role . Wood portrayed the role continuously until 2013, when she decided to leave her regular capacity with the series; following a series of guest appearances, Wood returned as a series regular in 2015 . </P> <P> Steffy has suffered many losses throughout her life, which according to Wood is the reason for her deep - seated issues and puzzling storylines . Wood has also described the character as a "rich bitch". While characterized as being provocative and strong - willed, Steffy is emotionally starved on the inside due to her father's neglect . The character is known for her relationships with the Spencer men: Bill Spencer, Jr . (Don Diamont), Liam Spencer (Scott Clifton) and Wyatt Spencer (Darin Brooks) as well as animosities towards the Logan family, particularly her mother's rival Brooke Logan (Katherine Kelly Lang) and her own arch - rival Hope Logan (Kimberly Matula, later Annika Noelle). For several years, Steffy's storyline revolved around a love triangle with Hope and Liam . </P>

Who plays steffy's mom on bold and the beautiful