Jim Carrey's OK cheat

29-03-2007 14:00

Jim Carrey has reportedly given Jenny McCarthy permission to cheat on him - with Justin Timberlake.Jenny and the 'Eternal Sunshine of the Spotless Mind' actor are said to be very in love but Jenny also has a crush on the 'SexyBack' singer.Jim has reportedly given Jenny his blessing to go for it with Justin if she ever gets the chance. A source told the National Enquirer magazine: "Jenny was at Los Angeles' W hotel with a friend and she was saying Jim has given her the go-ahead to fool around with Justin should the opportunity ever arise!"Either he's joking or he's very understanding."'The Mask' star said recently that he is extremely happy in the relationship.He said: "I feel really free, wonderful.