The former Destiny's Child star was reported to have taken the role to Beyonce and Jay-Z's first child.
The singer told E! News that she already has godchildren - but one of them isn't Blue Ivy.
"I am a godmother. My godchildren are all in middle and high school right now, which is so weird," she went on.
Asked whether she wanted to get hitched and become a mum, she replied: "I don't know. Too busy with the career.
"I do want kids, I do want to be married. But, I want one kid."
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It's important to treat yourself well. Constantly deferring to others will deprive you of the finer things in life. Carve time out of your busy schedule to pamper yourself. Taking a nap, solitary walk or hot bath will revive your spirits. Get into the habit of spending more money on creature comforts. Treat such as gourmet food, beautiful clothes and intriguing books are investments in your happiness. Others may object at being put farther down on your list of priorities, but that's their problem.More