Could Kristen Stewart be a lesbian after left Robert Pattinson?

Kristen Stewart was close to Katy Perry's assistant, Tamra Natisin. The British actor was angered to discover their closeness.
Robert Pattinson worried if the actress-sex relationships can be bad for life.
Kristen and Tamra hit it and seen a few times to spend time together after meeting at Hollywood's Hotel Cafe on March 3.
The Christian friend was afraid that if he followed his mother's footsteps, Jules, who lives with a female friend since splitting from her husband in June 2010.