updated 01/09/2013 AT 1:10 PM ET
•originally published 01/09/2013 AT 1:00 PM ET
“Nervous” is not a word in Kaley Cuoco’s vocabulary.
The Big Bang Theory star, 27, who will host the People’s Choice Awards on Wednesday for the second consecutive year, tells PEOPLE she’s “the least prepared person in the world,” but it doesn’t concern her one bit.
“Even with [Big Bang], too, I never have a script,” she explained right before rehearsals for the awards show.
“It’s embarrassing. I just kind of wing things. I know my dialogue the minute I look at it. I’m sure the [People’s Choice producers] are thrilled to finally get me here. I was like, ‘I don’t need to rehearse. I’m fine!’ ”