Utah Jazz dancer surprised by choreography change mid-routine by boyfriend

Utah Jazz dancer Danielle Bush thought she was experiencing a performer's worst nightmare — mixing up the choreography mid-routine in front of a large live audience — but her boyfriend and fellow dancers were actually in the midst of giving her the surprise of a lifetime.

During Utah Jazz's game against the Charlotte Hornets on Monday, dancers flooded the basketball court for what Bush thought would be their usual routine.

Mid-routine, however, the song abruptly switched to Bruno Mars' 'Marry You,' and although Bush's dance team knew all the new moves, Bush was completely stumped. Watch above.

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Bush valiantly persevered, trying to copy her fellow dancers as they made shapes she clearly had not rehearsed.

After what must have felt like an eternity for her, Bush's boyfriend, Brandon, is seen sneaking up behind her on the court, and getting down on one knee as a spotlight beams down on the couple.

Turning around and seeing Brandon mid-proposal, Bush kneels down to join him and nods enthusiastically.

Brandon slips the ring onto Bush's finger, and the newly-engaged couple embrace.

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The surprise was coordinated by the Utah Jazz dance team's director, Ashley Kelson, senior director of entertainment Payden Adams and Bush's fellow dance team members.

Bush shared the moment to her Instagram Story, where she can be seen smiling and nodding her head frantically as Brandon hold's Bush's hand.

"This boomerang really showcases how excited I am to be Brandon's fiancé and eternal partner," Bush wrote.

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Fellow team members shared Bush's proposal to their social media pages, including NBA dancer and model Jace Raymond, who wrote, "Congrats [Danielle Bush]!! This was so fun."

Bush cheekily replied, "Y'all can really keep a secret #severetrustissues."

Bush's friend Taylor Munlin also sent her well wishes to the dancer, writing, "Congrats sis!! You handled that choreography change like a pro."

"HA!" Bush replied. "The moment I thought I lost my job."