Devar Hurd who was convicted of felony stalking R&B singer Ashanti Douglas got the maximum penalty on Thursday.
Hurd, 36, was convicted of sending Douglas and her sister "hundreds" of sexually graphic Twitter messages despite a restraining order in place.
Pregnant mom Halle Berry won a major victory against the paparazzi who make their living stalking her and her daughter Nahla Aubrey.
After January 2014 paparazzi in California will be fined or even arrested if they snap photos of celebrity children without authorization.
Gov. Jerry Brown signed the legislation into law on Tuesday, the LAtimes.com reports.