Justin Timberlake, Will Smith, and Celebrities at CES 2012

CES isn't just for the geeks. As of late, the show sees its fair share of technology-loving celebrities, too. We spotted a slew of celeb-endorsed headphones from Ludacris, 50 Cent, and Jersey Shore stars Snooki and Pauly D, while LL Cool J promoted his music social network, and Will Smith hyped Men in Black III.

Click through the slideshow to see what all of Hollywood's tastemakers were up to during technology's biggest week!