Keenan Cahill is the latest YouTube phenomenon, with tens of millions of hits for his lip sync video set to Katy Perry’s “Teenage Dream.”

From being a rage on the internet, to rubbing shoulders with 50 Cent, this 15-year-old has been there, done that. The lip-syncing tune this time is the Jeremih single that features 50 Cent, called “Down On Me.” The adorable teen from Obama’s hometown Chicago mouths Jeremih’s lines and then 50 himself drops in to keep Keenan Cahill company.

50 Cent and Keenan Cahill make for a funsome duo with the burly multi-platinum rapper bending down to get into the frame with the diminutive teen. The kid looks geeky with his glasses and prank-ready Chicago youngster look, and the rapper is at his sleek best as the indulgent special guest.

This cute video also has 50 Cent and Keenan Cahill dance around the latter’s room and 50 gets into his groove at the end dropping ice on his neck, as the nears to an end.

Keenan is only four feet tall but high on talent quotient. The little Chelsea Lately star suffers from a condition called Maroteaux-Lamy syndrome which thwarts growth. Like Oscar in Tin Drum, Cahill stopped growing, albeit at age 8. Watching Keenan Cahill rapping with 50 Cent is really a treat with the madcap antics of the duo.

The little wonder now has a devoted fan following online and is a btreath f fresh air from the likes of ersatz teen heartthrobs like Justin Bieber with their own range of perfume and nail-polish.
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