Cassadee sang "Torn"
by Natalie Imbruglia and had all four coaches offer her a place on their teams and picked Blake Shelton
She won her battle round singing "Not Over You"
by Gavin DeGraw against Ryan Jirovec and then won her knockout round singing "Payphone"
by Maroon 5 against Suzanna Choffel.
She performed "My Happy Ending"
by Avril Lavigne for her first live performance and was voted through to the next round.
Cassadee sang "Behind These Hazel Eyes"
by Kelly Clarkson for her second live performance and was once again voted to the next round.
For the next round, Cassadee performed a heart-felt song, "Over You,"
co-written by Blake Shelton and the song reached No.1 on the iTunes chart.
While performing with the Top 8
Cassadee Pope performed "Move Along" by The All-American Rejects with Dez Duron
, Melanie Martinez
and Terry McDermott
. She later closed the show with "Are You Happy Now" by Michelle Branch.
Cassadee Pope made it through the Top 6 performing
"Stand" by Rascal Flatts which Blake Shelton
chose for her and her own pick "I'm With You" by Avril Lavigne.
In the semifinals
of season 3, Pope sang country song "Stupid Boy" by Keith Urban that kept her safe.
For her final performances
, Cassadee Pope performed "Over You" by Miranda Lambert again and sang a duet with her coach "Steve McQueen" by Sheryl Crow and closed the show with "Cry" by Faith Hill sealing the deal as she was named winner of The Voice
season 3 on December 18, 2012.