The singer – whose hits include “Oops!…I Did It Again” and “Toxic” – has reportedly entered into a prenuptial agreement that will protect her assets.
Asgari’s divorce petition states that the two have separated since last month.
Spears rose to fame in her teens with hits such as “… Baby One More Time” and became one of the world’s most famous pop stars at the turn of the millennium.
But he suffered a highly publicized failure in 2007, which involved attacking a paparazzo’s car at a gas station, and the conservatorship began just a year later.
Asghari and Spears met in 2016 when he appeared in the music video for her single “Slumber Party”.
The couple announced a surprise pregnancy in 2022, but said she miscarried just weeks later.