Heather Locklear's boyfriend was arrested for DUI just hours after the actress was busted for felony domestic violence.
Law enforcement sources tell us Chris Heisser was arrested at 12:43 AM Monday morning by the California State Highway Patrol. We're told he was spotted on the 101 freeway driving at a slow rate of speed -- officers pulled him over and conducted a field sobriety test. Chris blew a .19 and a .20 ... the 56-year-old was cited and released a short time later.
TMZ broke the story ... Locklear was arrested at her Thousand Oaks home at 10:27 PM Sunday night. Her brother called the cops after witnessing Locklear and Heisser in a nasty fight.
Locklear was booked on one felony count of domestic violence and 3 counts of misdemeanor battery to police officers.
Locklear and Heisser were reportedly high school sweethearts who started dating again. A recent post by Locklear of the two of them read, "My favorite person on earth. 40 years later."