Jessica Simpson's New Weight-Loss Plan: Boxing!

Celebrity Body January 7, 2010 AT 2:49PM By UsWeekly Staff

Credit: Steve Granitz/WireImage.com

New year, new fitness plan for Jessica Simpson.

The singer and VH1 reality star, 29, posted on Twitter earlier this week, "Just got done boxing.

"Second day in a row... Have I lost my marbles?" she added.

Relive Jessica Simpson's most controversial moments

The curvy singer -- who next appears in "The Price of Beauty" -- has been chronicling her gym routine on Twitter.

Can you spot Jessica Simpson's lips in this photo gallery?

"Why am I still hurting from our workout earlier? I'm getting old!" she wrote last November, adding that she has "sore buns."

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January 14, 2010 - 2:43pm Linda Hibbard
Try wearing wearable weights like â??Body Togsâ?? anatomically designed weighted sleeves worn on your arms & legs under your clothes. Put them on in the morning and you literally forget you have them on while increasing your calorie burn, muscle tone & bone density! Also wear while exercising to increase workout. Weighted vests work great too!
January 14, 2010 - 3:50am Alexandra Winton
It is good for Jessica that she is moving her body, as that will help to recover her "sore buns". I like her for being herself. From www.weightlosscoach-alexandra Alexandra
January 12, 2010 - 11:52am sick of Jess Haters
I think she looks fantastic. At least she does things naturally versus liposuction. I'm sick of the hate comments and the fat comments. At least she's healty and doesn't do drugs. She won't end up like half the other stars. She does whatever she needs to do to reinvent herself and I am a supporter!! I love Jess... she's real, she's funny and she's not afraid to be herself. More power to you baby!!! Keep up the good work 8)
January 08, 2010 - 6:30pm mia
she never has any feet. if you notice, she always come out like that because she is short and wear super high heels that she hides under her jeans/slacks. i suffer from the same affliction.
January 08, 2010 - 3:10pm bebe
Is it just me or does she have no feet in this picture???
January 08, 2010 - 8:28am Todd29
Being overweight sucked, but after reading your book, I lost 85 pounds! Words can not express how good I feel! This is a comment which I recently received about the book Lose Weight Using Four Easy Steps
January 07, 2010 - 9:20pm Toni
If we all ignore her she will go away and take her clan with her.
January 07, 2010 - 6:19pm Laquisha
She is AWESOME!!! I love her!