"The Voice" will wrap up with Rock and Soul Tuesday night.
Both Smokey Robinson and Avril Lavigne have signed on for performances with this season's finalists including Nicholas David and Cassadee Pope.
David, best known for his rendition of "Lean on Me," will perform with Robinson, while Pope will take the stage with Avril Lavigne.
As previously reported, Rihanna, Bruno Mars and The Killers are also due to perform during tonight's 2-hour finale.
"The Voice" season finale kicks off at 8 p.m. on NBC.