After all the months and weeks of wait for the release of the much awaited Aamir Khan starrer film PK, this week finally saw the release of the same. While we all know that everyones focus will be on this film, we at Bollywood Hungama, would like to divert your attention and bring to you what your favourite celebrities were upto in this section of What Bollywood stars did this week!<BR><BR><br><p class=clear>&nbsp;</p>The week started off with the diva Sonam Kapoor & the suave actor-producer Arbaaz Khan promoting their upcoming film Dolly Ki Doli on Bigg Boss 8, a reality show thats being hosted by none other than the nations heart throb and Arbaazs brother Salman Khan! <BR><BR><BR><br><p class=clear>&nbsp;</p><amp-img width=1.33 height=1 layout=responsive src=https://images.bollywoodhungama.com/img/feature/14/dec/wbsdtwdec1a.jpg></amp-img><BR><BR><br><p class=clear>&nbsp;</p>The star of the millennium Amitabh Bachchan was recently snapped when he hosted the NDTV & Dettol Banega Swachh India Cleanathon in his trademark impeccable style. Needless to say the audiences were as glued to him as much as the cameras!