Mumbai, March 5 -- Bollywood actress Shilpa Shetty, who is remaining low these days due to her first pregnancy, will soon be seen in a new TV commercial with darling sister Shamita.The actresses, who had shared the screen space last time in Dipak Tijoris thriller "Fareb", will work together after seven years. However, Shilpa has not disclosed the name of the brand. The actress wrote on her Twitter account, "Headed to work on a Sunday, the good thing is there's no traffic on the roads. Shooting an advertisement with Shamita so exciting". "Can't divulge the brand we are endorsing, but its a good one and youll see it soon," she added.