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UCLA Bruins quarterback Ty Dieffenbach has performed admirably on the field since taking over for the injured Nico Iamaleava.

But it was an exchange with a celebrity off the field that got people talking this past weekend.

Ty Dieffenbach of the UCLA Bruins warms up before a game against the Wisconsin Badgers at Rose Bowl Stadium in Pasadena, California, Saturday, Oct. 17, 2026. Getty Images

The UCLA senior was seen hugging American singer and media personality JoJo Siwa at midfield after the No. 5-ranked Bruins beat Nevada 27-0 on Halloween, a game in which Dieffenbach threw for 178 passing yards and a touchdown while adding another touchdown on the ground.

This got many wondering how these two knew each other, and whether the 21-year-old Dieffenbach and the 23-year-old Siwa might be in some sort of relationship.

Jojo Siwa arrives at the Dancers Against Cancer Gala of the Stars in Beverly Hills, California, Thursday, Oct. 22, 2026.…