[PHOTOS] Celebrity Out and About - Kelly Rowland maintains her fantastic physique with boxing workout

It seems Kelly Rowland is not afraid to Work to maintain her amazing physique.
For the sexy singer tweeted a picture of herself taking part in a tough boxing workout in Los Angeles today.
The 31-year-old certainly seemed to be taking things seriously as she posed in font of her instructor, both hands close to her chin.

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A booty-ful sight: All of Kelly's hard work in the gym is obviously paying off if her physique is anything to go by

Getting her just reward: Kelly was later spotted enjoying shopping excursion at posh Melrose Avenue boutiques

Rearly impressive: The music star showed her good manners by holding open the door for a fellow shopper

And afterwards she rewarded herself with a spot of retail therapy in some of the posh boutiques of Melrose Avenue with her friend La La Vasquez .
The jolly pair seemed to have a great time looking at the fancy garments on offer, though it was the 33-year-old DJ who seemed to have splashed out the most cash.

Patient: La La Vasquez was content to wait around while her friend perused the shop's wares