Jennifer Lopez proved she doesn’t always need to take a private jet. The A-lister was seen on a commercial flight going from Naples to Paris over the weekend, seemingly ditching her glamorous extensions while heading to her destination, RadarOnline.comhas learned. The singer-actress was in the cabin alongside a plane full of non-famous travelers, as seen in a snapshot from her flight. J Lo enjoyed the window seat while her bodyguard sat next to her. Lopez was wearing a white sweatsuit while walking through the terminal in a video obtained by TMZ showing the Atlas star with her trendy high-fash…