Transcript for Superfan vs. Superstar: Lance Bass edition
I'm joined by a woman who claims she's the biggest Lance bass fan in the history of the universe and I want to see if that's true. So, give it up for Allie. Allie, you said that you're the biggest fan of Lance bass. I'm absolutely the biggest fan of Lance bass. I have loved him since I'm 14. I'm not afraid to say I'm 36. So we're going to over a 20-year relationship. I just had a baby nine months Congratulations. Yeah, I have loved him, they started to blowup and Lance became my guy. Lance was the one. 33 weeks' pregnant, this shirt, I squeezed into it. I love Lance. We're going to test your knowledge of Lance bass in today's round of "Superfan versus superstar." You need someone to play against. Who knows Lance bass trivia better than Lance bass? Hello. Hello, darling. How are you? Good to see you. I'm good, thanks. I love it. Now it's time for the game. Okay. I'm ready. Are you ready for "Superstar versus superfan"? Okay, Lance bass was a member of one of the most iconic '90s boy bands, 'N sync. What did it stand for? A letter from each of their that I mean that Justin's mom thought of to bring the band together. Wow, very true. That's rally true. That's true. I got to be quick now. What is Lance's favorite 'N sync song and what number was it on which album? Who did it. "It makes me ill." What number on the album? I'd say number four. It's number five. Oh, my gosh. Wow. Wow. Wow. Okay, Lance got his first on-screen acting credit from what role in which TV series? She's so good. "Seventh heaven." Oh, my gosh. Rick palmer. Yes. Oh, my god. I didn't even remember the name of my character. Oh, my gosh. Look at the character, you you were hot. Okay, which '90's TV star did Lance take to her high school senior prom? I love this one, go ahead. Danielle Fishel. Topanga. Yeah. Now, Lance, what was that experience like? Did you go to school much? He got into the entertainment industry at 16. I left my high school in Clinton, Mississippi, when was 16 and I finished through the university of Nebraska. Also, Danielle, she was working, too. But she did go to topanga high school. That was our, you know, our prom. It was a little crazy. We stayed for maybe 20 minutes and then, you know, we got out of there. But it was fun, really fun. Okay, in 2002 Lance made headlines for training for what event? She's good. She's good. To go to space. So, last year, Lance was outbidded by HGTV network to buy which iconic TV house? The Brady bunch house. I know, I got hosed on that deal. Oh, my gosh. Okay, and the last one that I have is, on this day 20 years ago at exactly 7:30 P.M. Where was Lance bass? This one is crazy. He was at pnc bank arts center in New Jersey. My first concert that I ever went to. Wait a minute, she still kept it. They put the apostrophe on the wrong side, perfect. This was your first concert? My first concert. I went with my best friend who's in the audience. And we -- 20 years later. If you told me 20 years ago this was going to happen, I would never had believe it. I'm sure you already know, you win. She kicked my butt. All right, Lance. So your prize is I host this tour called pop 2000 tour, you're going to be going to it and backstage at our happy hour with your friends. Oh, yeah.
This transcript has been automatically generated and may not be 100% accurate.