Her second pregnancy has so far led to little change in her wardrobe.

And Kim Kardashian chose another revealing look on Friday before bumping into her old friend Serena Williams who couldn’t resist touching the star’s growing belly. 

The bootylicious ladies embraced on the street outside Harrods and Kim placed her hands on her hips as the World Number One tennis player rubbed her baby bump.

Shape shifters: Kim Kardashian bumped into her old friend Serena Williams who couldn't resist touching the star's tummy

Growing belly: Kim seemed to be touched at the middle as the tennis ace paid reference to her bump

Bump watch: Kim placed her hands on her hips as the World Number One tennis player rubbed her tummy

Figure hugging: Both Serena and Kim wore form-fitting outfits which showed off their curves