"World of Dance" judge Jennifer Lopez celebrated the show's Tuesday night premiere with boyfriend Alex Rodriguez.

The 47-year-old singer and 41-year-old retired MLB star invited "World of Dance" host Jenna Dewan, her husband, actor Channing Tatum, and other friends to watch the reality competition debut on NBC.

"#WOD premiere. Such a great night. #proud @jlo," Rodriguez captioned a video on Instagram of the gathering.

Dewan posted a clip on her own account of herself and Lopez dancing.

"Worldwide trend what?! Waiting for #WorldofDance to start on the West Coast like..." she wrote.

"World of Dance" features solo and group performers as they compete for a grand prize of $1 million. Lopez, who started her career as a dancer, also executive produces the series.

"[The show is] the best thing I could have ever done," the star said at a press event in March. "It's like a dream come true and, like, the perfect job for me."

"I love dance at such at core level and I always consider myself a dancer first because I became a singer and an actress after. That was my first form of artistic expression. It's so part of who I am," she added.

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Lopez and Rodriguez were first linked in March, and confirmed their relationship the same month.

The singer couldn't help but gush about the retired New York Yankees player on the May 4 episode of "The Late Late Show" with James Corden.

"He's the best. You would love him," she told host James Corden. "Honestly, he's a great guy. He's fun. He's awesome."