Teaser: We got Willoughby
Holly Willoughby thinks she's reuniting charity worker Annabel with her boyfriend Richard during the latest recording of Surprise, Surprise. But of course things aren't going to go according to plan when Ant and Dec are involved...
Watch this preview clip of Ant and Dec's latest Undercover prank ahead of this Saturday's show - and tune in from 7pm, 15 March to see the gag in all its glory!
See more photos from the wind-up here
Have a laugh at all the other poor celebs Ant and Dec have caught out