The two celebrate the Fourth of July 2016 with music producer David Geffen, near the island of Capri.
"Happy 4th of July," the singer wrote on Instagram, alongside this photo of her and Packer. "Thank you for the #fireworks darling."
The singer's twins Moroccan and Monroe enjoy the Fourth of July fireworks.
Carey appears in a scarlet gown on board Packer's yacht.
The group enjoyed some prime tunage.
The singer poses on Packer's yacht in a white slip dress.
The singer enjoys the sunset on Packer's yacht, the Arctic P.
"Wakey wakey eggs and Bakey," the singer wrote on Instagram.
My, what a view!
The two pose below deck on his yacht.
The singer gets a special dessert at the Aurora restaurant in Capri.
The singer and her twins enjoy a sweet moment.
The singer's daughter Monroe enjoys some strawberry gelato.
The singer's son Moroccan strikes a pose.