It's a new year, and that means a new fitness plan for Jessica Simpson. The alleged singer, actress and VH1 reality star says she's got a new workout passion.

She posted on Twitter earlier this week, "Just got done boxing. Second day in a row... Have I lost my marbles?" No. That would imply she once had marbles.

The star, who is scheduled to appears in VH1's The Price of Beauty this year, has been chronicling her gym routine on Twitter. She must really be bored.

"Why am I still hurting from our workout earlier? I'm getting old!" she wrote, adding that she has "sore buns." Imagine her brains after all that Tweeting.

Jessica Simpson is looking pretty good these days at least.

Last year was an up-and-down one for the singer's career - and weight. Looks like she's determined not to have people ripping apart Jessica Simpson pictures in 2010.