On Tuesday, Oct. 14, Katie Peterson shared snaps of her and her son Archer, nearly 4 months, attending Jesse McCartney's New York City show at The Rooftop at Pier 17. In the photos, the proud mom shared several pictures from backstage, as well as the newborn wrapped in a custom-made blanket with a sweet nod to his dad.
https://people.com/jesse-mccartney-wife-shows-off-son-custom-blanket-wi…