By Amber Goodhand - Radar News Editor
Russell, who goes by the handle @RustyRockets on Twitter, only follows 77 people and until earlier this week — Katy was one of them.
Last December Russell filed for divorce from the Fireworks singer citing irreconcilable differences.
Katy, 27, and Russell, 36, were married in 2010 in India during a traditional Hindu ceremony, surrounded by 70 of their closest friends and family.
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