Jennifer Lopez Has Fast Dance-Off Against Jimmy Fallon (VIDEO)
Lopez and Fallon danced to slow jams from the 1970s.
Ariana Grande, Rihanna, Lady Gaga + More Celebs in 2008 vs. 2018
A whole lot can change in a single decade.
A Popcrush-Approved Workout Playlist to Prep You for the Winter Olympics
From Taylor Swift's '...Ready For It' to Salt-N-Pepa's 'Push It,' these tunes are bound to get you amped.
The Most Memorable Pop Star TV Cameos of the Last 25 Years
While your favorite singers clearly love their craft, what they really want to do...is act.