Lizzo is feeling “terrified” about hosting ‘Saturday Night Live.’ The 33-year-old pop star is set to take on the coveted guest role of fronting the sketch comedy show on Saturday (16.04.22) but is most nervous about “laughing” during her slot because she is such a “smiley b****.” She said: “Um, it’s actually terrifying. I think they came to me and, no, I, I don’t wanna say I don’t want it cause if I didn’t want it, I wouldn’t do it. You know what I’m most nervous of is laughing. I gotta do at least one sketch where I’m in character. I’m such a smiley, laughy b****. Like, I don’t know if I’m go…