The pair have gone Instagram official three months after first being linked.

The American reality star and British racing driver were first linked three months ago.

The reality star will walk the red carpet at the annual fashion fundraiser.

The businesswoman revealed her new role in a post on Instagram on Monday.

The US TV star disclosed this in the trailer for series seven of The Kardashians.

The business mogul hopes to attract new customers with her latest campaign, which also includes Nick Bosa and Shai Gilgeous-Alexander