How does Roger Federer know Gavin Rossdale?

Roger Federer and Gavin Rossdale are both prominent figures in their respective fields—Federer in tennis and Rossdale as the lead singer of the band Bush. They are known to have met at various celebrity events and have interacted through mutual friends in the entertainment and sports industries. Their connection is largely based on their shared status in popular culture rather than a deep personal relationship. Additionally, both have participated in charity events, further intertwining their social circles.