London, June 28 After two failed marriages, Britney Spears is giving "Mrs." tag another shot.

Rumours are abuzz that the Toxic singer is getting married to agent/boyfriend Jason Trawick.

The singer was spotted on Friday in Los Angeles wearing a massive ring on the engagement finger.

"Things have been getting serious and Britney is determined that Jason is going to be her next husband. She's in love," the News of the World quoted an insider as saying.

The 'I am a slave for you' crooner was married to Jason Allen Alexander in 2004. The relationship lasted only for 55 hours.

She later tied the knot with Kevin Federline with whom she had two children. They parted ways in November 2006. (ANI)