<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 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>
who is stephanie 's mom on bold and beautiful
who is stephanie 's mom on bold and beautiful
Taylor Hayes
Taylor Hayes