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Colby Brock
Actor
Born January 2, 1997
Colby Brock is a social media personality and an Instagram star who is popular for his work as a Viner and a YouTuber as one-half of Sam and Colby. Sam and Colby's YouTube channel has grown to over 6.5 million subscribers and they had a million followers on Vine before it shut down in early 2017.
