Robbie Williams and Nicole Kidman are on course to go to number one with their new single.
Their version of Nancy and Frank Sinatra's Somethin' Stupid is the best-seller so far this week.
Midweek sales figures show it is likely to outsell Daniel Bedingfield's Gotta Get Thru This.
Ian Van Dahl's Will I and Samantha Mumba's Lately are also heading for new entries in the Top 10.