It's easy to forget how far Justin Timberlake has come.

Just a few years ago, the singer was part of 'NSync, one of numerous boy bands that flamed out after a couple years and a few hits.

Back then, could anyone have predicted that JT would go on to work with hip hop artists such as Timbaland, become one of the most popular hosts in Saturday Night Live history and be considered the most successful male singer of his generation?

Oh, and land a certified hottie as his girlfriend?

For a new movie, however, Timberlake is going back in time. He stars in The Social Network, which is based on the founding of Facebook. Other details of the plot are being kept under wraps, but the crooner was recently spotted on set sporting blonde, curly locks.

Just like the old days. See for yourself:

Do you like JT with blonde, curly hair?