Did Meghan Trainor Steal Mary Lambert's Thunder? Find Out In Today's Last Lap

By Benjamin Smith

October 17, 2014 / 6:00 PM

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Jim Shearer interviews Mary Lambert, Jaden Smith has issued a global rap battle challenge, metalheads are mad at Foo Fighters and Fall Out Boy have a new video in today's Last Lap.

Find out if why Mary Lambert thinks there's room for more than one positive body image anthem and why skinny butts are just as good as big ones when she stops by Top 20 Countdown tomorrow morning.

Jaden Smith has issued a challenge via twitter to "Everyone that can rap better than me." Hope this doesn't backfire on him.[Complex]

Dr. Luke has responded to Kesha's lawsuit and allegations of sexual abuse. This won't be pretty.[MTV]

Fall Out Boy with a brand new epic video entitled "Centuries."[VH1]

Scientific and geopolitical masterminds Cam'ron and Azealia Banks offer up constructive ways to deal with the spreading Ebola epidemic.[Billboard]

U2's Bono finally reveals why he always wears sunglasses and it's not what you think.[Mashable]

Metal nerds think the new Foo Fighters song rips off Dio's "Holy Diver" and they sort of have a point.[Metalsucks]