"It was a hard decision for me to make, because I'm really fond of the coaches, the people in production and everybody around me," the Hips Don't Lie
singer told E! News
of her fellow judges Adam Levine, Blake Shelton and Usher. "And I really enjoyed The Voice
, but I also have a musical career and I'm also a mother now and my poor baby's so tired flying such long distances. He already has more miles than any pilot. So I think I have to give him a little break, and we'll see what happens in the future."