It's not a bikini, it's a 'trikini', but no matter what you call it, Paris Hilton rocked it -- complete with chunky necklace and oversized blue sunglasses -- on the set of her new music video in Spain on Thursday, and RadarOnline.com has the new shots of the sexy socialite.

PHOTOS: Paris Hilton Shoots New Music Video In Hot Pink 'Trikini'

The Stars Are Blind singer, 29, is currently working on a follow-up to her 2006 self-titled debut album, Paris.