The Insider.com

Looks like someone's a little bitter her star hasn't taken off a la K Stew!

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The Twilight Saga's Nikki Reed appears on the cover of the December/January issue of Seventeen (on newsstands November 22nd), and reveals that success has "changed the dynamic" of the once super-tight cast.

"In the beginning, it was innocent and fun, and we were like one big happy family -- it was like being [at] sleepaway camp," Reed reminisces about the earlier days of the staggeringly successful franchise. "And then success comes along and changes the dynamic. We're not all best friends, and we're not all going to hang out together after the final movie is done."

… Could she be referring to the fact that her and Kristen Stewart were once inseparable besties and now seem awkwardly uncomfortable with one another during public events? Rumor has long had it that Robert Pattinson passed up Reed in the early days to make a play for Stewart, and we all know how that turned out.

But relax Nikki -- you're now married to Paul McDonald!

Hmmmm ... an American Idol finalist or R Patz?

On second thought, we'd hate Kristen too.