Pop star Justin Timberlake is back with his girlfriend, actress Jessica Biel, but on a condition - she is not allowed to talk about marriage.

The 'Sexy Back' hitmaker, who has been dating Biel for over two-and-a-half years, has rekindled his relationship under the condition that she stops putting pressure on the him to tie the knot, reported OK magazine.

"Justin is just not interested in getting married right now," a source said.The 'Prestige' star has promised Timberlake that she will wait patiently for him to pop the question.Jessica knows that if she and Justin are ever going to have a future, she has to be willing to be patient,the source added.