'Bold and the Beautiful' spoilers: Katie attacks Brooke

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Katie is devastated by Brooke and Bill's betrayal on "The Bold and the Beautiful"

Last week on "The Bold and the Beautiful," Rick told Sasha that he changed his mind about hiring her as a model. Sasha told Zende that it was all Nicole's doing and that she was jealous and didn't want her to work with him. Nicole arrived and told them that she's not proud of what she's done. She apologized and offered to talk to Rick.

At Forrester, Liam packed up his things while Steffy begged him for another chance. Liam did not tell her that he saw her in bed with Wyatt, and she wondered if he was leaving to be with Ivy. Liam said that he doesn't have a plan, he just didn't want to be there anymore. Steffy begged him to come to talk to her for the last time and to hear her out before making any rash decisions.

Liam went out and ran into Quinn, and he told her about his plans to leave the company. Later, he passed out and Quinn got him into the backseat of his car and she drove away to her cabin. As she tried to wake him up, she saw Steffy's texts on his phone and she replied, "I'm not coming." Steffy cried as she thought that this was truly the end of their relationship while Wyatt tried to comfort her.

This week, Steffy and Wyatt get closer as they spend some time together at the shore. Meanwhile, Bill and Brooke try to fight their feelings for each other, but eventually they give in to their mutual feelings. Their betrayal devastates Katie, and later on in the week she physically attacks Brooke during an argument. Quinn continues to take advantage of Liam's condition while Wyatt urges Steffy to move on with her life.

Here are "The Bold and the Beautiful" spoilers for Jan. 25 to 29:

Jan. 25 (Monday): Wyatt and Steffy get closer as they spend time together at the shore while Bill and Brooke fight their mutual attraction.

Jan. 26 (Tuesday): Brooke and Bill's betrayal devastates Katie.

Jan. 27 (Wednesday): Katie attacks Brooke during an argument while Quinn continues to take advantage of Liam's condition.

Jan. 28 (Thursday): Wyatt tells Steffy to move on while Katie tells Bill what he should do.

Jan. 29 (Friday): Liam feels like he's forgetting someone while Eric talks to Bill about Katie and Brooke.

"The Bold and the Beautiful" airs Monday to Friday at 1:30 p.m. on CBS.