Comedienne and actress Julia Louis-Dreyfus can't keep her clothes on these days - after posing nude for the cover of the current issue of Rolling Stone, the former Seinfeld star has stripped off again for a clown sex scene as part of GQ's new comedy issue. In the bizarre shot, Louis-Dreyfus, wearing nothing but a red nose, appears to be in the throes of passion as a red-wigged clown makes love to her.