Megan Fox and Shia LaBeouf cuddle up at the premiere for Transformers: Revenge Of The Fallen
Megan Fox's hubby Brian Austin Green has vowed to ‘punch Shia LaBeouf's lights out' after Shia claimed he and Megan, 25, had an on-set fling before her marriage to Brian, 37.

‘Brian can't believe it,' says an insider.

‘He finds Shia cocky and irritating. The fact that he's bragged about having a thing with Megan is so tacky and insulting for Brian.

'Shia had better watch out.

'Brian's been cursing, with good reason. It's incredibly demeaning to Megan.'

Read about Rosie Huntington-Whiteley's crush on Shia LeBeouf in Now Magazine dated 18 July 2011 - out now.

 Now cover 18 July 2011

SEE PICTURES Transformers: Dark Of The Moon movie premiere>>



SEE PICTURES Megan Fox: The Rise Of A Sex Symbol>