The electric chemistry between Brad Pitt and Angelina Jolie in 2005 film Mr and Mrs Smith was obvious to everyone. But behind the scenes, their real-life chemistry was just as palpable, fuelling rumours that Brad's eye had strayed from Jennifer Aniston, who he married 20 years ago today.
The actor initially denied there had been some 'dastardly affair' but later both him and Angelina admitted they had 'fallen in love' during filming.
Angelina's former bodyguard Mark Behar claimed he caught the pair 'making out' in their trailers and even helped pass x-rated notes between them. "[Angelina] and Brad were constantly laughing and flirting with each other and acting like two school kids who had the hots for each other, and it was so cute," he
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