Kanye West and Kim Kardashian caught the Bieber fever on Monday night (March 21).

The couple spent the evening at Justin Bieber's Purpose World Tour show at the Staples Center in Los Angeles. 

Kim Kardashian caught moments of the night on her Snapchat as she posed for photos with her Grammy winning husband and childhood friend, whom she said she went to her very first concert with 28 years ago. 

West let his KUWTK reality star wife videotape him during 'What Do You Mean?', whilst he danced around in a bleached denim shirt. 

Bieber seemed genuinely delighted that the rapper and producer had attended his concert, as he took to Twitter to personally thank him, tweeting:

"Shout out to one of my inspirations @kanyewest for coming to the show tonight. Had to go big." 

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Watch Kanye and Kim enjoying Justin in action, below: