10/31/2007 at 01:00 PM EDT
was on Ryan Seacrest's morning radio show
Wednesday to talk about her new album – and her life as a mom.
Asked if she's been upset with recent coverage of her battle with
over their children – and criticism
of her as a mother, Spears answered: "People say what they want and do what
they do. It’s sad how people ... how cruel our world can be. But at the end of
the day you gotta to know in your heart that you are doing the best that you
When Seacrest asked if she is doing her best with her sons, Spears said, "Oh
god, yeah, yeah."
The singer was on the air to promote her new album Blackout,
which hit stores Tuesday. She said her big day "was kind of
laidback, really," and that she didn't celebrate. "No, we watched movies,
that's about it."
As for her favorite track on the album, she said, "I really like 'Heaven on
Earth.' I think it's a cool track. It's kind of different from all the other
When asked if she was having a romance with Dallas cowboys quarterback Tony
Romo, Spears, who was on speakerphone with her pals Alli Sims and Sam Lufti,