Robert Pattinson 'doesn't need workout advice' says co-star Taylor Lautner

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Robert  Pattinson

Co-star Taylor Lautner says Robert Pattinson doesn't need any workout advice, telling MTV.com "he's got it covered".

And he does.

For Pattinson's shirtless workout, sources say Rob has been hitting the gym almost every day and pumping iron in Vancouver for a sculpted saga appearance.

Iron buddy, Chaske Spencer says the two don't mind going head to head in workout competitions.

"One day we went into the gym, we have this rowing machine and I really busted [to get] a high record on it and I was like, yeah, beat that!," he said of his head-to-head with Pattionson in an interview.

"Then the next day I came in and Rob beat me by four seconds!"