Actress Anna Kendrick attends Z100's Jingle Ball 2013 at Madison Square Garden on December 13, 2013 in New York City.
Anna Kendrick attends Z100s Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013 in New York City.
Actress Anna Kendrick attends Z100's Jingle Ball 2013 at Madison Square Garden on December 13, 2013 in New York City.
Actress Anna Kendrick attends Z100's Jingle Ball 2013 at Madison Square Garden on December 13, 2013 in New York City.
Lindsay Lohan attends Z100s Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013 in New York City.
Flo Rida perdorms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Flo Rida perdorms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke addresses the media before he performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias addresses teh media before he perfoms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Austin Mahone addresses the media before he forems at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Patrick Stump of Fall Out Boy performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Flo Rida addresses the media beofre he performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Hayley Williams of Paramore performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Normani Kordel of Fifth Harmony performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Andy Hurley of Fall Out Boy addresses the media before he performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in...
Normani Kordel of Fifth Harmony performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Hayley Williams of Paramore performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Jason Derulo performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Fall Out Boys performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Flo Rida perdorms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Flo Rida perdorms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Austin Mahone performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Jason Derulo performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Hayley Williams of Paramore performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Flo Rida perdorms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Patrick Stump of Fall Out Ball addresses the media before they perform at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in...
Austin Mahone performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Robin Thicke performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Normani Kordel of Fifth Harmony performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Flo Rida perdorms at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Austin Mahone performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Normani Kordel of Fifth Harmony performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Austin Mahone performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Hayley Williams of Paramore performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Hayley Williams of Paramore performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Miley Cyrus performs at Hot 99.5's Jingle Ball 2013 at Verizon Center on December 16, 2013 in Washington, DC.
Enrique Iglesias, Jordin Sparks, and Jason Derulo attend Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20,...
Ariana Grande attends Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
Mack, Nina and Nick of Y100 attend Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
Mack, Nina and Nick of Y100 attend Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
S Mack and Travie McCoy attend Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
S Nina attends Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
Travie McCoy attends Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
Demi Lovato and Y100's Mack attend Y100s Jingle Ball 2013 Presented by Jam Audio Collection at BB&T Center on December 20, 2013 in Miami, Florida.
