The 'World of Dance' judge surprised everyone after performing with the LED dance crew on Wednesday.
The 'Dancing With the Stars' alum told ET at the Entertainment Weekly Pre-Emmy party at Sunset Tower his sister may have 'other opportunities.'
The 32-year-old dancer also revealed who he's rooting for this season.
ET spoke with the 'World of Dance' judge at the 2017 Creative Arts Emmys, which airs Saturday Sept. 16 on FXX.
The EMMY nominee also revealed plans for the new season of 'World of Dance.'
The 32-year-old dancer is nominated for Outstanding Choreography for 'DWTS.'
It was an active day for the 29-year-old dancer and her famous squad, who celebrated the holiday in Manhattan Beach, California.
The newlywed looks happier than ever -- plus you've got to see Derek's crazy beach pic!
The 41-year-old actor's got some serious moves!
ET recently caught up with the 'World of Dance' judge at the NBC TCA event in Los Angeles.
ET caught up with the 'World of Dance' star at NBC's Fall 2017 TCA presentation on Thursday, where he also revealed which celeb he'd love to see in the 'DWTS' ballroom next season.
Plus, hear his dream 'Dancing With the Stars' partner!
J.Lo's fellow judges, Ne-Yo and Derek Hough, just outed the 48-year-old for being a snackaholic!
ET spoke with the 'World of Dance' host and her cast mates Jennifer Lopez, Derek Hough and Ne-Yo at the NBC press day in March.