Liam Payne avoids Cheryl Cole pregnancy rumors during Twitter Q&A but says he's 'the happiest I could be'

Liam Payne couldn't be happier -- but he isn't ready to reveal why just yet.

The 23-year-old singer took part in a #AskLiam Q&A session on Twitter on Saturday, and while he dodged questions about rumors that he's expecting his first child with girlfriend Cheryl Cole, he did admit to being one happy camper.

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"Are you happy honey?" one fan asked the One Direction singer.

"The happiest I could be," he sweetly replied.

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Payne and Cole, 33, first sparked pregnancy rumors late last month, when the former X Factor judge stepped out in a body-hugging ensemble that seemed to show off a growing baby bump.

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The couple first met in 2008 when Payne auditioned for the X Factor, and started dating in February of this year.