Watch Robert Downey Jr. Give A Real Bionic Arm To A Lucky 7-Year-Old

As if we needed another reason to love Robert Downey Jr., the Iron Man star just became a real-life superhero for 7-year-old Alex.

Alex was born with a partially developed right arm, and Downey recently presented him with 3D printed prosthetic arm, made to look just like Iron Man’s.

See their absolutely charming conversation, which ends with possibly the best fist bump of all time.

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G. H. was raised in Minnesota, but currently calls Seattle her home. She's a blogger, editor, and journalist, and she's written everything from news reports to restaurant reviews. If she's not putting pen to paper, G. H. is probably experimenting in the kitchen, chilling out on her yoga mat, or running through a city park.