Overview

• Lady Gaga was spotted in Paris, sparking rumors of her performing at the Olympics opening ceremony.
• Fans shared videos of Gaga leaving a hotel and returning from alleged rehearsals.
• The Olympics' official social media hinted at a special guest for the opening ceremony.
• Artistic director Thomas Jolly has kept details about the performers under wraps.
• Gaga has been teasing new music and her upcoming role in 'Joker: Folie à Deux.'