Lauren Hawke, 21, has been nominated by her best friend for the charity fundraising she has done in memory of her father, who died from an aggressive form of brain cancer.
Having raised awareness of her father's condition and raised thousands for The Katherine House Hospice, Cancer Research UK and Brain Tumour Research, Pharrell Williams is on hand to give Lauren a surprise.
Wow, we bet she'll be Happy!
Also, Nicole Scherzinger and Stephen Fry surprise Jodi Bickley, who's been nominated by her mother for writing letters of love and hope to people across the globe.
Get your hankies at the ready.
Surprise Surprise, ITV, 8pm
Reveal is now on Google Plus! Join us here for the latest pictures, fashion and celebrity news!