Jessica Simpson

03/19/2004 AT 10:27 AM EST

She's a reality-TV star and pop-chart topper, she's met the President – and she has her own line of lickable perfume. So what's next for Jessica Simpson? How about a variety show special for ABC (coming in April), a sitcom pilot and a new book, titled I Do: Achieving Your Dream Wedding? Simpson also just celebrated the successful re-release of her album In This Skin. Not bad for a "dumb blonde."

She recently spoke to PEOPLE about her life with husband Nick Lachey, her shopping binges – and how things can get a little crazy at Wal-Mart.

Tell us about your variety show coming up.
It's very Sonny and Cher. There'll definitely be guest appearances. It's all secret. It's just that people will not expect what they see. It's Saturday Night Live to the next level.

Do you and Nick relate to Sonny and Cher?
They were a very successful couple and I don't think there's really been another couple to come along to put their life out there in front of the public like they have.

You're also working on a sitcom. How's that going?
It's basically reality meets script. My name's Jessica Sampson on the show and it's a lot of my personality, what you see on Newlyweds, but it's me taking over 20/20.

We heard you and Nick were seeing a marriage counselor just to deal with all of the exposure. Is that true?
No. My dad's a marriage counselor, so if we ever need any advice, we'd go to him.

We always see you and Nick fighting about $1,400 shoes. Is that real?
Nick and I have separate bank accounts on purpose. I don't like him to see my receipts. I definitely work hard for my money. We do have a joint account. I don't really normally take stuff out of the joint account because I'm secretive about what I buy.

What do you have on today?
Today is Jimmy Choo. They're just white.

What's the craziest thing you've bought recently?
I bought a new bag at Barney's. I can't remember (the name) – it's a new designer. But look over there, that's my new Louis Vuitton. That's my security bag.

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