Goop, she's done it again!

Already stick thin Gwyneth Paltrow has startled her friends by vowing to lose at least five more pounds, Breaking Celebrity News has learned.

And she's turning to an old plan that many think is disgusting--and even unhealthy--to achieve her goal, an insider revealed.

"Gwyneth is leaning on her old diet trick, high colonics, in order to lose at least five to seven pounds," the source told Radar.

"She has been going to