In the sweet photo, Ziggy is sound asleep while swaddled in brown blanket with both of his parents’ hands resting gently on his chest.
“I’m in heaven,” Ross wrote in a separate post.
Simpson and Ross already share one child together, 5-year-old daughter Jagger Snow. The “Pieces of Me” singer also has an 11-year-old son, Bronx Mowgli, whom she shares with ex-husband Pete Wentz.
See the Simpson and Ross’ new bundle of joy here.