Trainor, who wrote the new Jennifer Lopez track, provides insight into how the Dr. Luke-produced song was made.
J. Lo speaks frankly about her marriage to ex-husband Marc Anthony, working twice as hard in a 'man's world' and more in a new 'W' profile.
'I ain’t gonna cook all day / I ain’t your mama,' a defiant JLo sings on her new single.
Jennifer Lopez says that the Academy Award-winning actor was totally cool about the prank James Corden played on him from her cell phone.
Get to 'Work' with this megamix banger featuring Britney, Beyonce, Ciara, Iggy, Nicki, 2NE1, and more.
Plus, what happens when James Corden texts Leonardo DiCaprio from J. Lo's phone?
Years after her legendary dismissal, Carey has doubled down on her sentiment.
The 'American Idol' judge also sounds off on Ben Affleck's back tattoo and Kelly Clarkson's sob-inducing 'Piece by Piece' performance.
Find out which Pokemon characters your favorite celebs look like.
Jimmy Fallon is back as Sara "with no H because H's are Ew!" and Jennifer Lopez plays Gabby who finds out her dad is on Snapchat. Ew!