MTV Video Music Awards 2014

'NSYNC's Lessons for One Direction

See what Justin Timberlake and his crew could teach the Brit Boy band

2. AMERICA'S SWEETHEART WILL BREAK YOUR HEART

When JT, then the face of our collective '90s teenage dream, romanced Britney Spears in 2000, it was a match made in pop music heaven. Until it wasn't, when they split two years later. Here's hoping Styles already got the memo after his swift relationship with the sugarcoated Taylor Swift went sour earlier this year after just a month together.