Alec Baldwin's expression in the ballroom during his wife Hilaria Baldwin’s Dancing With the Stars debut drew wide attention after cameras caught him looking stone-faced as she performed a Cha Cha to Jennifer Lopez’s "Let's Get Loud."

Hilaria Baldwin, a yoga instructor who competed under her birth name Hillary Hayward-Thomas earlier in life, returned to dancing 16 years after breaking her hip and scored 14 out of 20 from the judges. The performance, choreographed with partner Gleb Savchenko, was described by judge Derek Hough as "the best Cha Cha I've ever seen from a mother of seven," and Bruno Tonioli said he looked forward to seeing what she would bring to the show.

Viewers quickly turned their attention to Alec Baldwin after cameras panned to him in the audience post-performance. Social media users posted comments noting his stern demeanor, with some jesting about the contrast between his expression and the steamy routine. Baldwin was joined at the show by three of the couple’s seven children. Prior to the live performance, he appeared in rehearsal footage, told an interviewer, "She's a hard worker... This was her life until she got injured so she’s just going to give it everything she has. I’m proud of her, very proud of her," and joked about wanting to "cut in" on the dance.

Hilaria Baldwin described the moment as "very emotional" after returning to the dance floor. She told partner Savchenko and the judges that she had stopped dancing 16 years earlier because she had "broke[n] my hip all the way through" and said the injury had forced her to give up dance at the time. Her Cha Cha included close partnering and high-energy choreography; after her routine, Hough praised its precision and Tonioli offered encouragement for future performances.

Despite positive feedback from the judges, some viewers speculated about Hilaria Baldwin’s prospects on the show and predicted she might be among the early eliminations. Social media commentary also resurfaced earlier controversies surrounding Hilaria Baldwin’s Spanish accent and past statements about being born in Majorca, Spain, when public records show she was born in Boston.

In the episode’s scoring, two couples tied for the top spot with 15 out of 20 points: Robert Irwin and Witney Carson for a Jive, and Whitney Leavitt and Mark Ballas for a Tango. Hilaria Baldwin’s 14 placed her behind those leads.

Dancing With the Stars airs Tuesdays at 8 p.m. ET on ABC and is available on Disney+. The season’s cast includes celebrities from varied backgrounds, and producers paired Hilaria Baldwin with Savchenko, who has served as a professional partner and choreographer on the series.

Producers and the show did not immediately respond to requests for comment about audience reactions. Alec Baldwin’s appearance in the ballroom and his remarks in rehearsal footage were part of the episode’s televised segments.