Including script notes from Professor Stephen Hawking and last minute jokes for Ed Sheeran.
The sitcom is currently airing a mini-series of lockdown specials.
The former EastEnders star also admitted suffering from imposter syndrome before shooting her role as Natalie.
Writer Richard Curtis had other actors in mind for the role of Geraldine Grainger.
The Christmas romcom is as popular as ever – 17 years after its release.
It's certainly one of the more eyebrow-raising moments in the 2003 festive rom-com.
Plus, the Tom Cruise joke that got cut from the Beatles-inspired film and Sarah Silverman's key contribution to the script.
The total was announced at the end of the telethon.
It will pick up 25 years on from the original film.