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>> oh, jenny from the block. she has come a long way. but jennifer lopez can still tell it like it is. >> dishing on the co-star of her new video, the british model who she says is almost perfect. we're "up all nightline" with amy robach. >> reporter: it's the steamiest song of the summer, but the question on everyone's mind, who's that guy? he plays j. lo's first love in her latest music video. their chemistry is undeniable. >> if i had a celebrity crush it would be him. >> reporter: jennifer's new crush, david gandy, happens to be one of the hottest, highest paid male models in the world. af...

Maybe was jim lehrer a little too quiet? tmz caught up. this is what he had to say. >> do you feel you were disrespected by president obama and governor romney? >> i didn't expect much. >> they worried that he was treated like a doormat was part of the possibility. >> yeah. they both kind of ran right over him. give me more time. i'm going to continue. jim didn't seem to have a lot of control in the debate. >> it's hard, though, rob. >> it's intimidating. how do you tell the president, how do you control that? has to be a better way. other people have done a better way. i don't think other mod...

From the block ♪ >> oh, jenny from the block. she has come a long way. but jennifer lopez can still tell it like it is. >> dishing on the co-star of her new video, the british model who she says is almost perfect. we're "autopsy ul nightline" with amy row back. >> reporter: it's the steamiest song of the summer, but the question on everyone's mind, who's that guy? he plays j. lo's first love in her latest music video. their chemistry is undeniable. >> if i had a celebrity crush it would be him. >> reporter: jennifer's new crush, david gandy, happens to be one of the hottest, highest paid mal...