She might be Jenny from the Block, but she's surely moving on up these days. It's being rumored that the eyeing a $20 million dollar apartment in New York City.

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The celebrity mother, who splits her time between the East and West Coasts, has been house hunting for a much bigger, if not expensive, place to call home in the Big Apple.

According to the New York Post on Thursday, Lopez was spotted with Million Dollar Listing star Fredrik Eklund, checking out a new apartment at Walk Tower in Chelsea. Penthouses in the building go for as much as $47.5 million, despite the fact that Lopez was looking at a condo at half that price.

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Meanwhile, it's been reported that Lopez held up production of her latest music video shoot because she was five hours late to the set.

According to the New York Daily News on Tuesday, Lopez held up production of her latest music video, Stressin' because of her diva-like ways. Sources say that shooting didn't even start until one hour before the production was supposed to end.

An insider tells the website, "Lopez was supposed to show up at the shoot at the Griffin at 9 a.m. but she didn't actually arrive until 2 p.m. They were supposed to be at the Bronx location by 5 p.m., and they didn't make it up there until 9 p.m. By the time they were at the Bronx location, Fat Joe was pretty mad. I don't know if he was specifically mad about Jennifer, but the time crunch made everything more stressful."

What's more, Lopez is also being accused of costing a lot of money for being late as the music video features a large cast of extras dancing as Lopez sings from the top of a banquette, making it Fat Joe's most expensive project to date.