J Lo's Boyfriend, Casper Can't Keep His Busy Hands Off Jennifer Lopez's Rare (Photos)

She has become well known for her enviable curves, and in particular her backside.

So perhaps it was unsurprising that Jennifer Lopez's toy boy boyfriend Casper Smart couldn't resist grabbing his girlfriend's rear end several times in her new Dance Again video.

The scantily clad couple were positively smouldering in several sexy scenes for the full video.