From Tsing Ma Bridge how can we get to Sik Sik yuen Temple and from there to Avenue of Stars.

Oh, you must refer to Sik Sik Yuen Wong Tai Sin Temple, right?
You can take Tung Chung Line at Tsing Yi Station, get off at Lai King Station. Then take Tsuen Wan Line to Prince Edward Station and take Kwun Tong Line to Wong Tai Sin Station, Exit B3. It takes around 35 mins on the way. The ticket fare is 9.8 HKD per person.

From the temple to Avenue of Stars: Take Kwun Tong Line to Mong Kok Station and transfer to Tsuen Wan Line to Tsim Sha Tsui Station, Exit F. The duration is about 25 mins. It costs 8 HKD per person.