The singer pokes fun at rumors that she's expecting

By Marla Lehner
April 16, 2010 04:35 PM
Credit: Most Wanted

Could Pink and hubby Carey Hart be expanding their family?

After a picture surfaced of the singer appearing to have a slight baby bump earlier this week, blogs began buzzing about whether Pink’s pregnant.

So far, she s not saying, but she Tweeted about the speculation. “Off to the gym,” she wrote on Twitter Thursday. “Lord knows when this 600-lb baby comes out that I’ve been growing for 8 years, i better be strong and physically prepared!!!”

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Pink and Hart, a motocross racer, wed in Costa Rica in 2006, only to split two years later, while Pink was working on her new album. They later reconciled.

The singer s rep did not return calls for comment.