Who knew they were friends? Nicole Kidman's husband Keith Urban gets chummy with Adam Sandler as they pose for a wacky selfie

 Nicole Kidman's husband Keith Urban has revealed his surprising friendship with comedian great Adam Sandler. 

The Kiwi rocker, 55, shared a wacky selfie of himself with Adam, 56, on Instagram on Monday. Dirk Diggler and Jack Horner,' Keith captioned the happy snap, in reference to 1997's hit film Boogie Nights starring Mark Wahlberg. 'What a great guy,' Adam wrote underneath the post. 

In the image, Keith poses in a bright orange shirt and black sunglasses while Adam wears a colourful blue floral shirt and gold aviator shades. She will play a femme fatale in a pair of projects that are filming back-to-back in a couple months.The first flick is a 'Hitchcockian' thriller called Holland, Michigan, where she will star alongside Matthew Macfadyen.