Bold and the Beautiful spoilers tease that Steffy Forrester will do the right thing. After discovering the truth about the CPS call, she is eager to tell Ridge Forrester.
However, it doesn't look like she's on the same page with Taylor Hayes and Thomas Forrester. Steffy encourages her mom to speak up before it's too late. Taylor's confused, especially since she's just minutes away from exchanging vows with Ridge.
On the other hand, Thomas has made it very clear that he wants the wedding to happen, even if it means lying to his dad. But Steffy is not keeping quiet about it. Her daring move will definitely change everything on Bold and the Beautiful.

Taylor Proceeds With Wedding
Steffy Forrester couldn't stomach keeping her brother's secret. Bold and the Beautiful spoilers for November 28 to December 2 tease that she will feel conflicted, especially after confronting Thomas Forrester and Taylor Hayes just before the ceremony.
Steffy hopes that Thomas will step forward and come clean before the nuptials begin. However, he will be stubborn and decide to remain tight-lipped about his secret.
Then Steffy expects Taylor to speak up, but just like Thomas, she opts to stay quiet. Bold and the Beautiful spoilers for the week imply that Taylor will move forward with the wedding despite the information she just learned.

Steffy Stops the Ceremony
But Steffy Forrester is not letting Ridge Forrester enter a marriage based on a lie. Bold and the Beautiful spoilers for November 28 to December 2 indicate that she will object just before her parents exchange "I do's."
Carter Walton will ask if anyone is opposed to Ridge and Taylor's union. Steffy will not be able to hold her peace and blurt out the truth.
She will confess what Thomas did to Brooke, leaving everyone reeling on Bold and the Beautiful.

A Mess of Emotions on Bold and the Beautiful
Ridge Forrester will be thunderstruck by Steffy Forrester's revelation. B&B spoilers note it'll be a mess of emotions, especially for the dressmaker.
Ridge will feel betrayed, not only by Thomas but by Taylor as well. He'll feel guilty, considering he left Brooke for something that wasn't her fault.

Further Bold and the Beautiful spoilers for the week tease that Ridge will have some choice words for Thomas. He'll feel extremely hurt by his son's actions, especially since they all thought he was a changed man.
Now that the cat is out of the bag, Ridge could come back to Brooke. As for Taylor, it wouldn't be surprising if she took time away to heal.
Additional B&B spoilers suggest that a once solid relationship will suffer irreparable damage. Perhaps Steffy and Thomas will find it hard to make peace after the wedding. Will we be seeing a nasty feud between the siblings on Bold and the Beautiful?