Top 20 Countdown Sneak: Andy Grammer Pranks Train On Tour, Wiz Khalifa Raps On Fall Out Boy's “Uma Thurman Remix” + More On Last Lap

By Diane Cho

January 23, 2015 / 6:00 PM

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Ariana Grande makes her big screen debut, Eminem brings out all of Detroit's superstars in his new video, the Black Keys cancel their European tour and more on Last Lap.

Watch Andy Grammer recall the time he wore a dress to prank Train in front of a huge crowd on tour and catch the premiere of Train's "Bulletproof Picasso" on Top 20 Countdown tomorrow at 9/8C on VH1.

Listen to Wiz Khalifa talk about his new chick on Fall Out Boy's "Uma Thurman" remix.

Ariana Grande makes her animated film debut in Underdogs. Watch the trailer above.

Eminem brings out Danny Brown, Dej Loaf, Big Sean and more in his new video for "Detroit Vs. Everybody".

The Black Keys cancel their European tour over drummer Patrick Carney's dislocated shoulder. [Billboard]

After his collaboration with Paul McCartney on "Only One", Kanye West asked him the question that's on everyone's mind: "What was p*ssy like in the '60s?" [RS]

Every penny from my @MACcosmetics ???? goes to da @MACAIDSFund to help those affected by AIDS ???????????? http://t.co/jXnx3vsLoK OUT TODAY YAY!!!!! $milers we tryin to be the loudest and proudest vivaglammmmyyyyjammmzzzz yet!

Una foto publicada por Miley Cyrus (@mileycyrus) el Ene 20, 2015 at 10:17 PST

Miley Cyrus spreads her legs for a good cause.

Listen to Young Summer's new "Severing Ties (Avec Sans Remix".