Mila Kunis is the latest Hollywood star to become victim of cell phone hacking.

The hacker has leaked several confidential and seductive pictures of Mila Kunis and Justin Timberlake, TMZ reported.

Hollywood Leaks is supposed to be the prime suspect, but till now it has not claimed the responsibility for the hacking.

A known person has sent an email to Perez Hilton, an American blogger and television personality on Wednesday, in which he has offered to sell compromising photos of Justin Timberlake that he sent to his Friends with Benefits co-star.

I have 3 compromising pictures of Justin Timberlake that he sent to Mila Kunis, the seller wrote in the email.

In one of the pics Justin is lying shirtless in a bed, and in another pic Justin was spotted wearing Mila Kunis pink panties over his head. And the third one he sent a picture of his penis, without his face there. I can send samples of them if you are interested, the seller wrote.

However, Kunis was not featured in any of the pics.

The hackers claim that they had also revealed some text messages between Justin and Mila.

Perez Hilton, after receiving the email, warned celebrities to delete all of their photos from cell phones.

Earlier on Wednesday, it was reported that nude picture s of actress Scarlett Johansson were leaked. The pictures allegedly showing Johansson posing in what appears to be her bedroom facing the mirror holding just a towel to cover her front, with her bottom completely on display began making the rounds on Twitter and other Web sites. While the actress is in bed in one of the photos, she is not taking the invasion lying down: Johansson has reportedly enlisted the FBI to investigate the hacking.

The FBI is investigating a person or group responsible for a series of cyber intrusions of high profile figures, FBI spokeswoman Laura FBEimiller told E! News. This would include many devices-could mean a computer, desktop, laptop, iPad, cell phone...intrusions into personal online accounts too.

It has not yet been confirmed whether or not the photos are genuine.

If the photos are genuine then Johansson and Kunis will join fellow celebrities who have fallen victim to hacking such as Vanessa Hudgens, who had her phone hacked in March 2011.