The teen put a modern twist on an Old World look for the occasion and took a moment to acknowledge LGBTQ Pride Month on social media, too.
The actor talked about the 12-year-old's study habits as she home-schools during the coronavirus pandemic.
Union's husband, Dwyane Wade, told their friends, “I apologize on behalf of the Wade family."
The 12-year-old walked her first red carpet alongside the NBA star and Gabrielle Union.
The NBA legend said he felt "great pleasure and happiness" at seeing his 12-year-old, who recently came out as transgender, perform with her classmates.
"Let's just get it out of the way America," a defeated O'Neill told amused NBA on TNT hosts.
Meet your new h-ear-oes: BTS, Dwyane Wade and *checks notes* John C. Reilly's son, Leo Reilly.
The retired NBA star told "Good Morning America" seeing 12-year-old Zaya live as her authentic self was "a moment of real" for him and his wife, Gabrielle Union.
The "Being Mary Jane" star praised her 12-year-old stepdaughter for deciding to live as her authentic self.
The retired NBA star told Ellen DeGeneres that he takes his role as an LGBTQ ally for 12-year-old Zaya "very seriously."