George Clooney was upfront about his feelings towards David O. Russell as he dubbed him "a miserable f***." The A-lister, 63, joined his Hollywood pal Brad Pitt for a joint press chat as the pair reflected on their respective careers and they discussed the issue of "time allotment.

" This prompted the pair of friends, who starred together in the Ocean's franchise , to reveal who they were likely to spend time with while working, which gave George the opportunity to be honest as he admitted he would never work with David again. Adding salt to the wound, the Gravity star added that the 65-year-old director had made his and his crew's lives "hell", claiming the hassle was not worth "a good product." "The older you get, time allotment is very different", George first said told GQ Magazine , "five months out of your life is a lot.

" He then added in a brutal jibe: "And so it’s not just like, ‘Oh, I’m going to go do a really good film, like Three Kings , and I’m going to have a miserable f*** like David O Russell making my life hell. Making every person in the crew’s life hell. It’s not worth it.

Not at this point in my life. Just to have a good product." George famously worked with the film director on the set of Three Kings, which premiered in theatres in October, 1999.

At the time, he shared the spotlight with another handful of household names in the likes of Mark Wahlberg , Nora Dunn and Ice Cube . But it wasn't until a year after the release of Three Kings that Geor.