The stars of "Black" and "Shabd" may be competing for audience attention simultaneously but they are far from locking horns.

Bachchan and Aishwarya will sizzle in a special song and dance number in Shaad Ali's film "Bunty Aur Babli".

Famous American talk show host, David Letterman, will interview Aishwarya on his Late Show. The interview, to be aired on Feb 9, comes two days ahead of the US premiere of Gurinder Chaddha's film "Bride And Prejudice", which has Aishwarya playing the lead. Aishwarya was recently interviewed by CBS Network's 60 Minutes.

The former Miss World is all set to enter Hollywood, having bagged international productions like "Chaos", which co-stars Meryl Streep and "Racing The Monsoon" with Michael Douglas.