News Pete Wentz Shows His Pregnant Girlfriend Naked By Rosalyn Oshmyansky 1:29 PM PDT, August 9, 2014 Getty Images Fall Out Boy's Pete Wentz is having a baby with girlfriend and model Meagan Camper, and he took a picture that isn't a typical pregnant mom shot.In a snap that might make your head spin, Pete posted this of Meagan today on his Instagram and captioned it "MJ". Meagan's middle name is Jane.RELATED PICS: See what more stars are sharing on Instagram.Meagan posted a different pregnant shot just a few days ago that is not as artistic.Which pic do you like more?RELATED: Kourtney Kardashian also has a nude pregnant announcement. See it here!Pete Wentz has a 5 -year-old son with Ashley Simpson. His baby with Meagan will be their first together. Pete and Meagan made their official announcement on Instagram back in February.RELATED: Pete Wentz and Meagan Camper Are Expecting a BabyRelated GalleryAdorable Tots: Celebs and their Cute Kids!