Ryder, who walked the red carpet at his grandmother's charity event, Goldie's Love in For Kids, said he was fortunate to witness the, "really cool and very inspiring work" that his family has been involved in, reported E! online.
"I am so proud of Gogo (Hawn) and my mom," Ryder, 13, said.
Kate also applauded her mother's continued efforts in the education community, which she said was "quite emotional.
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