Chris Hardwick promotes his NBC game show "The Wall."

Carly Pearce discusses her Country Music Made Me Do It Tour.

Jennifer welcomes 5-year-old Jelijah Diaz from Miami, Florida, who is a talented piano player with perfect pitch. Jelijah started taking lessons at the age of 3 and has won first place in local Miami competitions. Jelijah chats with Jennifer and performs while blindfolded.

Smokey Robinson promotes his newalbum, "Gasms."