Buzz is that Bigg Boss 4 winner Shweta Tiwari and beau Abhinav Kolhi have tied the knot.
The couple apparently wed in a private ceremony just before the telly actress entered the Bigg Boss houseu00a0-- and that's why Shweta's ex-hubby Raja Chaudhary is getting very possessive about Palak, his daughter with Shweta.
