In the pic, Wentz and Camper are sharing a kiss as he places his hand over her belly.
During a recent interview on "The Wendy Williams Show," the 34-year-old opened up about his relationship of nearly three years, saying, "I feel really lucky. It's, like, really interesting [to be] in a relationship with someone who is truly my best friend. Like, I talk to her about everything. She will tell me when I'm being not so insane, and sometimes she's like, 'You're being a little bit insane.' It's very helpful."
Wentz has 5-year-old son Bronx with newly-engaged ex-wife Ashlee Simpson, and this will be Meagan's first child.
Congrats to the happy couple!
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