The News of the World reported Macpherson collected Burgess from a Chelsea car showroom where he had been looking at Jaguar cars.
Sienna was at the festival as well and they hung out in a group that included their mutual friend Bradley Cooper, among others.
Last year, Sonia opened up to au about her struggles with conceiving, as well as her child's always happy attitude.'She smiles an awful lot at her daddy, and she smiles an awful lot at other people, but I feel like I have to perform to get her to smile; funny noises and funny faces,' she told the media outlet.'Sometimes, in the middle of the night, I'll be feeding her or nursing her and there will be a big smile on her face. It’s four o'clock in the morning".'But that's the great thing about babies, isn't it?
Elle Macpherson and her billionaire husband, Jeff Soffer, have split according to a new report.
His wife Jennifer said at the time of his deportation he had been a good father.
Rumors have been swirling that Brad Pitt has been linked to Sienna Miller and model Elle Macpherson, but none of the reports are true.