Madonna vs. Britney Spears - Devil Pray vs. Criminal (Mashup)

Selena Gomez vs. Ariana Grande - Come & Get It vs. Why Try (Mashup)

Marina & The Diamonds² - I'm A Ruin vs. Immortal (Mashup)

David Guetta feat. Nicki Minaj vs. Ariana Grande feat. Iggy Azalea - Hey Mama vs. Problem (Mashup)

The Weeknd vs. HAIM - Can't Feel My Face vs. Falling (Mashup)

Foster The People vs. Echosmith - Pumped Up Kicks vs. Cool Kids (Mashup)

Ryn Weaver vs. Banks - OctaHate vs. Drowning (Mashup)

Jess Glynne vs. Tove Lo - Don't Be So Hard On Yourself vs. Talking Body (Mashup)

Taylor Swift vs. Major Lazer & MØ - Bad Blood vs. Lean On (Mashup)

Lady Gaga vs. Shakira feat. Rihanna - Judas vs. Can't Remember To Forget You (Mashup)

Flo Rida vs. Ariana Grande & Iggy Azalea - Whistle vs. Problem (Mashup)

One Direction vs. Katy Perry - Live While We're Young vs. Birthday (Mashup)

Little Mix vs. Sia - Salute vs. Chandelier (Mashup)

Iggy Azalea & Charli XCX vs. Lorde - Fancy vs. Team (Mashup)

Karmin vs. Sara Bareilles - Acapella vs. Brave (Mashup)

Lady Gaga - Marry The Night vs. Gypsy (Mashup)

Nicki Minaj vs. Lily Allen - Starships vs. Hard Out Here (Mashup)

Icona Pop vs. Avicii ft. Aloe Blacc - All Night vs. Wake Me Up (Mashup)

Britney Spears vs. will.i.am ft. Justin Bieber - Work Bitch vs. #ThatPower (Mashup)

Ciara vs. Bruno Mars - Overdose vs. Treasure (Mashup)

Britney Spears vs. Imagine Dragons - 3 vs. Radioactive (Mashup)

Cher Lloyd ft. T.I. vs. Avril Lavigne - I Wish vs. Rock N' Roll (Mashup)

Miley Cyrus vs. One Direction - Wrecking Ball vs. Best Song Ever (Mashup)

Iggy Azalea vs. Macklemore & Ryan Lewis - Work vs. Can't Hold Us (Mashup)

Fifth Harmony vs. Miley Cyrus - Miss Movin' On vs. We Can't Stop (Mashup)

Zedd ft. Foxes vs. Bonnie Mckee - Clarity vs. American Girl (Mashup)

Selena Gomez vs. Jessie J - Slow Down vs. Wild (Mashup)

Rihanna vs. Ellie Goulding - Diamonds vs. Burn (Mashup)

Lady Gaga vs. Selena Gomez - Marry The Night vs. Come & Get It (Mashup)