Internet sensation Keenan Cahill was a guest on Chelsea Lately last night and performed in a video with 50 Cent. Read more and see Keenan Cahill on Chelsea Lately below.
Keenan Cahill, 15, who suffers from Maroteaux-Lamy syndrome, brought on the charm calling Chelsea a cougar and giving her his digits.
Cahill is known for his lip-syncing on YouTube and has received millions of hits for his videos.
Check out Keenan lip-syncing and being ...