andy cohen asked maria about it last night. she said maria's a legend, she's so talented.t's nasty the way she treats jennifer. what would you say to demi? >> i don't know her either, and so i wouldn't say anything to her. unless she comes up, introducing herself to me, here's my opinion, what do you think about it? that's how you handle [ bleep ] okay? >> reporter: one fan writing, all i want for christmas is for mariah care yes not to know me either. another tweeting, omg, yes, mariah. but j. lo isn't the only star maria doesn't know. she also says she doesn't know madonna. >> never had a conversation with her. >> and she doesn't know miley. >> i think we met in a bathroom. i don't know. >> reporter: we know she knows beyonce, and how about britney spears? >> what about britney? >> love her. >> reporter: rebecca jarvis, abc news, new york. >> i like not only, i don't know her, but also just, like, fixing her hair at the time, better things to do. >> i got my laundry to do. >> anyway, next topic? >> exactly. part of the thing is, they actually asked jerry lewis, and wheth