Hugh Jackman Sang Sandy's Part in a ‘Grease’ Duet With John Travolta

What happens when Wolverine and Danny Zuko walk into a karaoke bar? According to , you get an unforgettable duet of "Summer Love" from . Jackman recently shared the hilarious story of singing with —with Jackman tackling the role of Sandy. The anecdote emerged during an interview with co-star and director Craig Brewer for their new film, Song Sung Blue, which opens in theaters on Dec. 25.

Directed by Craig Brewer, Song Sung Blue is a moving drama based on the true story of Lightning and Thunder, a Milwaukee-based Neil Diamond tribute band. Entertainment Editor Kristy Puchko, who interviewed the trio, described the film as a story about "big dreams, heavy losses, and how music can carry people all of it." The movie explores the profound ways music can help people navigate life's toughest challenges.

The film features powerful karaoke scenes that struck a chord with the cast. This led to a conversation about their own off-screen musical moments. shared a story about the time she performed for the legendary . Director Craig Brewer also explained why karaoke performances hit so hard, noting how relatable they are and the unique connection they with an audience.

But the standout story came from . He recounted a night where he and performed a duet of "Summer Love." With Travolta obviously singing Danny's part, Jackman stepped up to sing as Sandy. The reason? "Because he's Australian," Jackman explained.