Article continues below advertisementDavid Beckham's alleged mistress Rebecca Loos had some strong words for Victoria Beckham amid their family feud.In the upcoming documentary The Beckham Feud: Truth and Lies, which premieres on Sunday, February 1, the soccer player's former personal assistant addressed Brooklyn's claims that his mother danced "inappropriately" at his wedding after Marc Anthony invited her to the stage.Article continues below advertisementSource: MEGARebecca Loos criticized Victoria Beckham's 'lack of awareness.