"We have a great final season that we are about to start filming with a lot of surprises", she added, revealing that they had a "whole storyline about an impeachment" which they they abandoned because they were "worried that someone else might get to it first". A third person joked: "Julia Louis Dreyfus is like the Meryl Streep of TV".
The actor's impersonations of Trump have propelled "SNL" to its best season in years, bringing in viewers and also Emmy glory.
It's a three-peat for "The Voice", which has won the best reality competition Emmy Award again.
Louis-Dreyfus has won two Emmys for previous roles: one for her role in "Seinfeld" and one for her role in "The New Adventures of Old Christine".
Louis-Dreyfus submitted the season six finale, "Groundbreaking", for Emmy consideration this year. After back-to-back wins for Transparent, Jill Soloway, who rally-cried for Hollywood to topple the patriarchy, was shut out of the Outstanding Directing for a Comedy Series.
Louis-Dreyfus has now won for her role as Selina Meyer for six years in a row
Julia Louis-Dreyfus has made Emmys history by winning the most awards for playing the same role in the same series!
What should win: One potential spoilsport could be FX's Atlanta, especially if the Academy's members want to prove that they're young and hip. But better yet, she's one of several women to win for writing, directing and acting in stories that center on women's lives.
Kidman said the production highlighted the "complicated, insidious disease" of domestic abuse. "It is filled with shame and secrecy, and by you acknowledging me with this award, it shines a light on it even more".
The Emmy for outstanding television movie went to Netflix's "Black Mirror: San Junipero", which also won a prize for outstanding writing for a limited series or movie for Charlie Brooker. Waithe, who previously credited the "black girl magic" onset, took home the writing trophy for her superb episode ("Thanksgiving") of Master of None, marking the first time a black woman won Outstanding Writing for a Comedy Series.
Emmy Awards host Stephen Colbert has taken a jab at President Donald Trump in his opening monologue.More news: Rob Kardashian, Blac Chyna Reach Custody Agreement Over Daughter Dream