Later this week, fans in the UK will see Bianca (Lisa Gormley) walk down the aisle to marry Prince Vittorio Seca (Richard Brancatisano), while Whitehead's character Liam Murphy feels heartbroken and jealous as he watches on in the church.
Speaking to Inside Soap, Whitehead revealed that a piece of emotional music which was played during the scene had him choking back tears on the day.
The actor explained: "When we were filming, the director surprised us all by putting on a beautiful piece of music with big instrumentation.
"I had to stop myself bursting into tears! It fitted the mood of what Liam was going through perfectly."
As events unfold in the church, Bianca must make a final decision over whether to marry Vittorio or follow her heart and commit to Liam.
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