In 2008, a graduated Steffy returns to Los Angeles and begins working for the family fashion house, Forrester Creations. She briefly dates Marcus Walton (Texas Battle), and discovers that he is the son of Brooke's sister, Donna Logan (Jennifer Gareis). Phoebe is killed in a car accident after the car she was driving with her boyfriend Rick swerves off the road. Steffy mourns the loss of Phoebe and begins a romance with Rick to feel closer to Phoebe. Her family are horrified and eventually break up the relationship. When businessman Bill Spencer, Jr. (Don Diamont) takes over Forrester Creations, Steffy attempts to seduce him, (who is married to Katie Logan (Heather Tom), (Brooke's sister) in order to win the company back for the Forresters in February 2010, ensuring that the Logan sisters have been excluded as owners. Steffy takes an interest in Oliver (Zack Conroy)who is dating Brooke's daughter, Hope Logan (Kimberly Matula), but Oliver rejects her. At a pool party, Brooke has sex with Oliver, he believed she was Hope. At Hope's graduation party, a tape supposedly narrated by Steffy appears to expose this scandal. After Ridge consequently fires Steffy from Forrester Creations, Taylor compensates by signing over her 25% shares to Steffy. However, it is soon revealed that Steffy's narration was manipulated by computer expert Liam Spencer (Scott Clifton), who is Bill's son. Steffy forgives Liam and later develops feelings for him, but he begins a romance with Hope who will not have sex with him until marriage. Steffy travels to Paris for an extended business trip.