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Alec Baldwin will play Donald Trump on 'Saturday Night Live'

The world watched this week as presidential candidates Hillary Clinton and Donald Trump faced off in their first-ever debate. Now, expect to laugh about it on the 42nd season premiere of "Saturday Night Live."

"SNL" cast member Kate McKinnon will resurrect her super-determined Clinton character on Saturday and Alec Baldwin will play Republican nominee Trump, "SNL" revealed in a surprise tweet on Wednesday.

The former "30 Rock" star is a familiar face to "SNL" viewers, having guest-hosted the show a record-breaking 16 times. The actor's celebrity impressions on the show include Al Pacino, Bono, Tony Bennett and Marlon Brando.

RELATED: Hilaria and Alec Baldwin welcome baby boy Leonardo Angel Charles

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Al Roker is pumped for Alec Baldwin to play Donald Trump on 'SNL'

Play Video - 1:35

Al Roker is pumped for Alec Baldwin to play Donald Trump on 'SNL'

Play Video - 1:35

Although this will be the first time the famously liberal actor is portraying Trump, Baldwin has played a Republican presidential hopeful in the past — Texas Gov. Rick Perry in a 2011 cold-open sketch that mocked the GOP debates.

Baldwin gave viewers a glimpse of his Trump impression in Wednesday's tweet, which found him donning a blond wig and bushy eyebrows and practicing his pout.

AFP-Getty Images @nbcsnl/Twitter
Donald Trump (L) and actor Alec Baldwin portraying Trump

Trump himself guest-hosted the show in 2015.

Season 42 of "Saturday Night Live" kicks off Saturday, October 1 with guest host Margot Robbie and musical guest the Weeknd.