Boys are the last thing on Carrie Underwood's mind! The American Idol winner said that while her ex-BF Tony Romo dials her up once in a while, she's not waiting for his call. "We were both small-town people doing very big things, and we relied on each other, dealing with fame," she tells Allure. "I don't know. The phone will ring and it'll be him, and I'll maybe not answer." Hmm, that might be news to Tony's current GF, Jessica Simpson! Carrie's also looking for some girl's only time on the road. "I want to have a girls-only tour and get some awesome chicks together, and have us all go out and -- kick butt," she says. We doubt newly-minted country singer Jessica will be joining on that trek…