![Pregnant Christina Aguilera displays bump in dress as son Max rubs her belly]()
Some children don't have the best reactions when they find out they're set to become an older sibling. But Christina Aguilera's gorgeous six-year-old son Max, who's father is the singer's former husband Jordan Bratman, looks more than ready to play the role of protective big brother to his little sister.
Reported by MailOnline 13 hours ago.