Hayden Panettiere has come out as bisexual, admitting that she’s saddened she had to wait so long to “share that part” of herself. The Bring It On star , 36, who opens up about her sexuality in her forthcoming memoir, This Is Me: A Reckoning , explained in a new interview why she wasn’t able to do so sooner. “That’s something about me I was never able to share with the world, because it was just never the right time,” Panettiere told US Weekly . “It was either I was too young, and I was being forced to be perfect at all times. I was not encouraged to just be myself.” She said she realized her attraction to women at a time when “it felt like people coming out, especially women, saying that they were bisexual or liked girls, was a fad.” “I was afraid that if I was honest, it was going to be like me jumping on the bandwagon,” she added. “It was a very difficult topic to articulate properly.…