Some of the biggest Bollywood stars will be heading to London for a song and dance extravanganza at the O2 Arena. The famous Bachchan family - which includes 66-year old Amitabh Bachchan, his son Abhishek and daughter in-law Aishwarya Rai - will be joined by the likes of actresses Preity Zinta and Shilpa Shetty for the penultimate stop of The Unforgettable Tour. The mega-show features the stars in their best-known roles, performing songs from their movies. Since July, it's so far touched down in Canada, the US and Trinidad and Tobago. The tour wraps up in Germany on August 30.