This “American Idol” beauty has to work to flaunt her svelte figure.Carrie Underwood tells Extra that her tummy “is an Underwood family tradition” and that her rear end “starts going in and out so I have to work really hard to have it stay where it’s supposed to be.” She says her diet has changed to exclude junk food and she tries to stay hydrated with both regular water and Vitamin Water.Carrie also gave Shape her exercise secrets in the February 2008 issue (pictured above). “We got really simple, basic stuff, because if it was complicated, I knew I wouldn’t have used it. My favorite thing is cardio. It really helps the pounds melt off, and it gives me so much more energy … Working out has really paid off on stage.”This Idol beauty is anything but idle — Carrie just released her third album, “Play On,” on Nov 3, she’s co-hosting the Country Music…

“American Idol” runner-up Adam Lambert debuted his single “For Your Entertainment” on Ryan Seacrest’s morning show today (Oct. 30) and we have the audio for you here.We give the song a hearty thumbs up. It’s got an electronic vibe with a good chorus, it’s definitely something you can dance to. He also gets to show off his vocal acrobatics towards the end. Entertain us ’til we scream indeed, Adam.The song is also streaming on Adam’s official website. What do you guys think? Yay or nay on the single? Also, what do we think of the single cover art? It’s kind of Michael Jackson meets Hannibal Lecter meets eyeliner, right? We can’t wait to hear more from Glambert’s debut album, hitting shelves Nov. 24.Follow Zap2It Idol on Twitter and follow Zap2It’s general feed for all your movies, TV and celebrity newsRelated Links Adam Lambert’s cover art: Zap2It readers debateKris Allen’s track list releasedAllison Iraheta’s album cover…