The duo is currently busy promoting their new project "Our
Brand Is Crisis" produced by Clooney, 54 and starring Bullock in the lead role had a great time working together, reported People magazine.
"It's really fun to sit down with someone you know and say, Well, let's make this movie," "The Descendants" actor said.
"Sandra is boss," he joked.
In the film Bullock, 51, stars as "Calamity" Jane Bodine, a political consultant, who uses her cynical tricks, to create a winning strategy for an unpopular candidate in a Bolivian election.
The part, the Oscar-winning actress is playing in the film, was originally written for a male actor (Clooney) but when Bullock showed interest in it, Clooney was happy to oblige.