Rob Lowe, Charlie Sheen Rob Lowe, Charlie Sheen

Back in the '80s, Rob Lowe and Charlie Sheen competed frequently — but not for movie parts.

"We competed to see who could play harder, then show up for work and still kick a--," Lowe tells Vanity Fair. "The verdict: Charlie by a nose."

Charlie Sheen hopes Rob Lowe replaces him on Two and a Half Men

Parks and Recreation boss says Rob Lowe won't be joining Two and a Half Men