Saturday Night Live debuted a surprise impersonator of White House spokesman Sean Spicer in its latest show: none other than Melissa McCarthy. And she most definitely did not hold back, with an angry introduction setting the tone: "I'd like to begin today by apologizing on behalf of you to me," McCarthy yells. "And that apology is not accepted!" See the clip via NBC News. Also of note Saturday: Host Kristen Stewart mocked Trump for tweeting about her past relationship with Twilight star Robert Pattinson, but the bigger moment came when she dropped an accidental f-bomb in her monologue, notes US Weekly. "We've got a great show and I totally care that I'm here 'cause it's the coolest f---ing thing that I've... Oop!" See the clip here. (More Melissa McCarthy stories.)