"There is someone standing behind you," a UPS driver told Cox while delivering a package.
All the main 'Friends' cast members received at least one Emmy nod during the show's 10 year run, apart from Courteney Cox.
The cast admitted that walking onto the set of Monica's flat after 15 years – they burst into tears.
Aniston was joined by her friends and former co-stars as Emmys host Jimmy Kimmel checked in on her.
The actor has said the prospect of bringing in a live studio audience amid the coronavirus is difficult.
While Cox remembers loving everyone on 'Friends', she admits that she doesn't remember the actual episodes.