Colby Brock

Born on January 2, 1997 (age 29)

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.