When Sharapova was inducted into the Tennis Hall of Fame on Saturday night, her former on-court antagonist provided the introduction. For many tennis watchers, Williams’s top-secret cameo was shocking but the moment capped a 180-degree turn in their once pointy rivalry.

Serena Williams and Maria Sharapova are friends now? The shocking Hall of Fame induction has fans reeling over forgiveness and the intense media narratives that once defined their rivalry. Get the full story.

Tennis legend Maria Sharapova joins TODAY to talk about her induction into the International Tennis Hall of Fame, calling it a celebration of the successful moments, the tough battles and the rivalries coming together.