The mother of one said she is in the best shape of her life, reported Us magazine.
"I'm in the best shape of my life "I'm a person who could always lose a couple (pounds) here and there, but I would rather be strong than bony," she said.
The 34-year-old singer said she is the most confident when she knows she is fit. And despite being ten pounds heavier than before welcoming three-year-old daughter Willow, she's "much more patient" with her body now.