Champagne brand Moët & Chandon is ending its relationship with actress Scarlett Johansson and replacing her with tennis great Roger Federer as brand ambassador.

Moët & Chandon, which is owned by Louis Vuitton Hennessy, announced details on Friday of its deal with Federer.

Johansson signed a deal to be a brand ambassador for Moët & Chandon in 2009. The reasons for the split are unclear.

As its ambassador, Federer will take center stage in the brand's upcoming advertising campaign.

Moët & Chandon told ...