But they were surprised when one performer turned out to be comedian Sacha Baron Cohen, who delivered an incognito performance that got some of them singing along with hateful, racist lyrics.

New Year's Eve message on Instagram to share "gratitude" eight months after announcing she and Sacha Baron Cohen had split after 13 years of marriage.

Actress Rebel Wilson and Borat and Ali G creator Sacha Baron Cohen have become involved in a dispute over her plans to publish what he has described as "demonstrably false claims" about him.