Ashton Kutcherand Mila Kunisare claimed to have started dating in secret.
The actors, who worked together on That '70s Show, have allegedly been spotted together several times recently and are claimed to have spent the night at each others' houses.
A photographer was quoted byDemi Moorehas returned to social networking site Twitter following her recent stay in rehab.
She sent an upside down self portrait with the word "Testing..."