Dancing With the Stars is a family affair for Jenna Johnson .

Not only is the 31-year-old competing against her husband and fellow pro dancer Val Chmerkovskiy , but her niece Hailey Bills is also on the season 34 lineup .

During the ABC dance competition's Sept. 16 premiere , Hailey, 19, made her debut as a troupe dancer, a professional dancer who performs in the background and is not partnered with a celebrity contestant.

Jenna even remarked how she and the teen looked alike when they were wearing the same outfit in a big group number, quipping on TikTok Sept. 17, "#Twins."

"You're not seeing double," she mouthed along to an audio track, as Hailey shimmied in their matching black leotards. "You're seeing trouble!"

But this isn't Hailey's first time on the DWTS da

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