The pair was first romantically linked in April.
The 24-year-old gymnast withdrew from four competitions in the Tokyo Olympics due to mental health struggles.
The 60-year-old comedian also revealed her lung cancer diagnosis during the 'Nightline' interview.
The event was the gymnast's final chance to compete in the Tokyo Olympics.
ET's Lauren Zima caught up with Margot Robbie at the premiere of 'The Suicide Squad,' in theaters and on HBO Max Aug. 6.
Joe Jonas channeled his ‘Camp Rock’ character, Shane Gray, by rocking a flat-ironed 'do!
The actor donned his now-famous ensemble to the movie's big L.A. premiere.
ET's Lauren Zima caught up with John Cena at the premiere of 'The Suicide Squad,' in theaters and on HBO Max Aug. 6.
Lena Dunham and her boyfriend, Luis Felber, posed for pics at a screening of ‘Zola’ in London.
Rebel Wilson channels Britney Spears in her upcoming Netflix movie, ‘Senior Year.’ The actress shared a sneak peek on her Instagram.
The pair are officially divorced after 27 years of marriage.
Fans and celebs alike took to Twitter to react to the photo of the famous friends sharing a meal together.
The artist opened up to ET about his upcoming project.
Wilson opened up to ET about the famous film and growing up in Hollywood as a child star.
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