Pete Wentz and longtime girlfriend Meagan Camper are expecting their second child together, the Fall Out Boy bassist announced on Instagram on New Year’s Day.

“Happy New Year! We’re kicking the year off with news of the best gift yet: 👧🏻 coming to our family in 2018… love Pete, Meagan, Bronx and Saint,” Wentz captioned a photo of his two sons, Saint Lazslo, 3, and Bronx Mowgli, 9, whom he shares with ex-wife Ashlee Simpson Ross.

The couple is expecting a girl.

Wentz, 38, and Camper, 28, began dating in 2011.