It was previously confirmed that the Girls Aloud singer was releasing 'Put Your Hands Up' as her second single later this month. However, writing on Twitter, Coyle - who released her material on her own record label Black Pen Records - admitted that the news had left plans for another release uncertain.
Asked by a fan if she has a release date, she responded: "None yet dear. I am getting organised for the next phase. Boss lady is hard.
"As soon as I am back on the single movement I will let you know. I have changed management so things take time."
The 25-year-old did not confirm who is now looking after her. Her former manager Bruce Garfield commented on Twitter: "Finally a 'warm' day in NY. Fuelled by an array of new opportunities as I reflect and journalise the past few years. Life is grand."
Coyle's debut solo single 'Insatiable' charted at number 26, while the album of the same name peaked at number 47.
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