US Weekly Magazine claims that the pair - married for five years and with a two-year-old son Max - have been separated for months and are now living apart.
The news comes hot on the heels of a shock separation announcement from Courteney Cox and husband David Arquette after 11 years of marriage.
And in the last few days, actress Laura Dern and musician beau Ben Harper also called time on their relationship.
A source reportedly told US Magazine that 29-year-old singer Aguilera and Bratman have been