By Meredith Ganzman
These teen cancer patients sadly weren't able to go to prom -- so the dance came to their hospital and with some big star power!
Pop singer Selena Gomez, actor Jack Black and the cast of Grey's Anatomy joined them at the prom at the Children's Hospital of Orange County to make the night unforgettable.
Even though they play doctors on tv, the Grey's Anatomy cast perfectly struck a pose at the photo booth.
And then @selenagomez shows up at your prom .... #chocprom2018 #chocprom
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Related: After Missing Prom, Seizure-Suffering Teen's Friends Surprise Her with Her Own
The California hospital says that because going to a traditional prom isn't always possible when you're battling a life-threatening illness, they like to do something special for their patients.
From the glam to the outfits, they didn't just shake their tail-feathers; they also got to rub shoulders with some famous faces!
