By Amber Goodhand - Radar News Editor
The marriage is officially over and although they filed six months ago, E! Online reports that per California law, the couple had to wait the mandatory half a year for it to be legit.
Since the split, both have went on to date other people — Katy was last spotted with Florence + The Machine guitarist Robert Ackroyd, and RadarOnline.com just exclusively reported that Russell has been hanging out with Dallas actress Jordana Brewster's sister, Isabella.
“Isabella and Russell have a lot in common. They are both in recovery and totally into yoga, so they have definitely found common ground. They are really enjoying spending time together," an insider revealed.
“Isabella really likes Russell and loves dating famous people, but she knows that he is a ladies man so she is trying to play it cool.”