Bollywood actress Shamita Shetty walked out of reality show "Bigg Boss 3" to be with her elder sister Shilpa who is tying the knot with millionaire beau Raj Kundra Nov 22. Shamita's voluntary exit will be aired on the reality show Saturday. "I am just so excited about Shilpa's wedding. Family comes first for me, so I couldn't help but come out of the show to be with her," Shamita told IANS.