article_snippet: Serena Williams has spoken of Serena Williams close friendship with tennis rival Caroline Wozniacki.
article_snippet: Serena Williams spoke about Serena Williams close friendship with Caroline Wozniacki, who is a  rival on the tennis court .
article_snippet: Wozniacki added: 'I was in shock, but Serena Williams was really helpful because Serena Williams had been through Wozniacki before.
article_snippet: Serena Williams didn’t sugarcoat Wozniacki, and Serena Williams didn’t look down on Wozniacki. '
article_snippet: Serena Williams was really there for Wozniacki when I needed Serena Williams the most, and that’s why I think our friendship is so strong now.' 'I was impressed with how strong Serena Williams was,' Serena Williams said, before continuing: 'And you know, there will be other engagement parties... many.'
article_snippet: Serena Williams and Wozniacki celebrate after the Dane finished last year's New York Marathon while the pair also attended the Vogue Fashion Fun Awards in New York last year .
highlights_snippet: when you're number one'
  Serena Williams is pleased to have tennis rival Caroline Wozniacki as a friend .