The "30 Rock" actor had joked about Anderson's "fascinating" ability to switch accents, a thinly veiled nod to wife Hilaria Baldwin's Spanish-heritage debacle
The 25-year-old dazzled with her portrayal of the late Princess of Wales in the Netflix hit.
The two played Margaret Thatcher and Queen Elizabeth II in the most recent season of The Crown.
Gillian Anderson, Olivia Colman and their co-stars in the hit Netflix show about the British royal family are feeling good as hell in the clip.
She has said her "personal bête noire" wasn't as much of an issue for predecessors Claire Foy and Olivia Colman.
Some critics of the royal drama have suggested it should carry a disclaimer alerting viewers to the fact it's largely fictitious.
Remember KFC and Prince William's 'His Royal Thighness' moment?
Imelda will be taking over the role of Queen Elizabeth II in the fifth season of the Netflix drama.
The regal drama has attracted criticism for its use of creative licence.
Netflix has officially been roasted.