From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity ...

Anna Kournikova, the tennis prodigy and icon ... In 2001, she featured in the music video for Enrique Iglesias' song 'Escape'. The on-screen chemistry spilled over into real life, and they started ...

It reportedly cost $5 million. Anna Kournikova and Enrique Iglesias were lowkey about their relationship until she went public with a large radiant-cut canary diamond. The unique, yellow diamond ...

Enrique and Anna At the time of her retirement, the tennis player had been in a relationship with the Spanish singer Enrique Iglesias for six years. The couple had met during the filming of Iglesias' ...

and most recently the singer Enrique Iglesias - are aware that they were seeing a divorced woman. Federov first met Anna when she was 15 in Moscow, when the pair were both emerging sports stars in ...