Tim Burton has reportedly been spotted kissing a mystery blonde.

The renowned filmmaker has sparked speculation things might be over with long-term partner Helena Bonham Carter after the MailOnline published photographs of him apparently canoodling with another woman after a cinema date in Hampstead, London.

The images - also published by the New York Post - show the 'Edward Scissorhands' director and the unnamed woman leaving a film screening last September.

Dressed down in winter clothing, the pair can be seen sharing what looks like an ''intimate moment'' in the shadows according to the website, who were unable to reach a representative for comment.

A source told the MailOnline: ''They stopped in an alley to kiss before making their way back to her car together.''

Tim, 55, and Helena, 47, have a famously unconventional relationship, living in two neighbouring houses joined by a communal room with their children Billy, ten, and Nell, five.

The couple - who fell for each other 12 years ago on the 'Planet of the Apes' set - were last seen in public together in March of this year at an event with their children.

Tim has cast his muse Helena in many of his films over the years, including 'Sweeney Todd', 'Big Fish' and 'Alice in Wonderland'.