London, Sep 22 - Singer-turned-fashion designer Victoria Beckham, who recently gave birth to her fourth child Harper Seven is walking seven miles a day to shed her baby weight.

"Her exercise regime would put us all to shame. She's walking seven miles a day on the treadmill," thesun. co. uk quoted a source as saying.

"She's had to take it easy, but her definition of easy is different," he added.

The 37-year-old is believed to rise at 7 a. m. and then walk three miles with hubby David. Later in the afternoon, it is yoga followed by another treadmill session. (IANS)